1307111904 has 240 divisors, whose sum is σ = 4469151456. Its totient is φ = 367027200.

The previous prime is 1307111903. The next prime is 1307111933. The reversal of 1307111904 is 4091117031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307111903) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1106194 + ... + 1107374.

Almost surely, 2^1307111904 is an apocalyptic number.

1307111904 is a gapful number since it is divisible by the number (14) 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 1307111904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2234575728).

1307111904 is an abundant number, since it is smaller than the sum of its proper divisors (3162039552).

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

1307111904 is a wasteful number, since it uses less digits than its factorization.

1307111904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 1307111904 is about 36154.0025999888. The cubic root of 1307111904 is about 1093.3794907475.

Adding to 1307111904 its reverse (4091117031), we get a palindrome (5398228935).

The spelling of 1307111904 in words is "one billion, three hundred seven million, one hundred eleven thousand, nine hundred four".