1107801240 has 256 divisors, whose sum is σ = 4117478400. Its totient is φ = 232187904.

The previous prime is 1107801239. The next prime is 1107801241. The reversal of 1107801240 is 421087011.

It is an interprime number because it is at equal distance from previous prime (1107801239) and next prime (1107801241).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1107801240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1107801241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2500459 + ... + 2500901.

It is an arithmetic number, because the mean of its divisors is an integer number (16083900).

Almost surely, 2^1107801240 is an apocalyptic number.

1107801240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1107801240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2058739200).

1107801240 is an abundant number, since it is smaller than the sum of its proper divisors (3009677160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1107801240 is a wasteful number, since it uses less digits than its factorization.

1107801240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 1107801240 is about 33283.6482375355. The cubic root of 1107801240 is about 1034.7146918322.

Adding to 1107801240 its reverse (421087011), we get a palindrome (1528888251).

The spelling of 1107801240 in words is "one billion, one hundred seven million, eight hundred one thousand, two hundred forty".