1260752040 has 96 divisors (see below), whose sum is σ = 4249234080. Its totient is φ = 336197952.

The previous prime is 1260752029. The next prime is 1260752047. The reversal of 1260752040 is 402570621.

1260752040 is a `hidden beast` number, since 1 + 2 + 607 + 52 + 0 + 4 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1260751995 and 1260752013.

It is not an unprimeable number, because it can be changed into a prime (1260752047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55134 + ... + 74573.

It is an arithmetic number, because the mean of its divisors is an integer number (44262855).

Almost surely, 2^1260752040 is an apocalyptic number.

1260752040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1260752040 is an abundant number, since it is smaller than the sum of its proper divisors (2988482040).

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

1260752040 is a wasteful number, since it uses less digits than its factorization.

1260752040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129733 (or 129717 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1260752040 is about 35507.0702818467. The cubic root of 1260752040 is about 1080.2971404625.

The spelling of 1260752040 in words is "one billion, two hundred sixty million, seven hundred fifty-two thousand, forty".