1260437457 has 16 divisors (see below), whose sum is σ = 1761617088. Its totient is φ = 800728320.

The previous prime is 1260437441. The next prime is 1260437461. The reversal of 1260437457 is 7547340621.

It is not a de Polignac number, because 1260437457 - 2⁴ = 1260437441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1260437417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113868 + ... + 124445.

It is an arithmetic number, because the mean of its divisors is an integer number (110101068).

Almost surely, 2^1260437457 is an apocalyptic number.

It is an amenable number.

1260437457 is a deficient number, since it is larger than the sum of its proper divisors (501179631).

1260437457 is a wasteful number, since it uses less digits than its factorization.

1260437457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238400.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 1260437457 is about 35502.6401412627. The cubic root of 1260437457 is about 1080.2072810308.

The spelling of 1260437457 in words is "one billion, two hundred sixty million, four hundred thirty-seven thousand, four hundred fifty-seven".