1102425240 has 64 divisors (see below), whose sum is σ = 3779746560. Its totient is φ = 251982720.

The previous prime is 1102425229. The next prime is 1102425251. The reversal of 1102425240 is 425242011.

It is an interprime number because it is at equal distance from previous prime (1102425229) and next prime (1102425251).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655366 + ... + 657045.

It is an arithmetic number, because the mean of its divisors is an integer number (59058540).

Almost surely, 2^1102425240 is an apocalyptic number.

1102425240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102425240 is an abundant number, since it is smaller than the sum of its proper divisors (2677321320).

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

1102425240 is a wasteful number, since it uses less digits than its factorization.

1102425240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312432 (or 1312428 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1102425240 is about 33202.7896418358. The cubic root of 1102425240 is about 1033.0382031480.

Adding to 1102425240 its reverse (425242011), we get a palindrome (1527667251).

The spelling of 1102425240 in words is "one billion, one hundred two million, four hundred twenty-five thousand, two hundred forty".