1157257610 has 8 divisors (see below), whose sum is σ = 2083063716. Its totient is φ = 462903040.

The previous prime is 1157257603. The next prime is 1157257631. The reversal of 1157257610 is 167527511.

It can be written as a sum of positive squares in 2 ways, for example, as 1053197209 + 104060401 = 32453^2 + 10201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57862871 + ... + 57862890.

Almost surely, 2^1157257610 is an apocalyptic number.

1157257610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157257610 is a deficient number, since it is larger than the sum of its proper divisors (925806106).

1157257610 is a wasteful number, since it uses less digits than its factorization.

1157257610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115725768.

The product of its (nonzero) digits is 14700, while the sum is 35.

The square root of 1157257610 is about 34018.4892374720. The cubic root of 1157257610 is about 1049.8889103938. Note that the first 3 decimals are identical.

The spelling of 1157257610 in words is "one billion, one hundred fifty-seven million, two hundred fifty-seven thousand, six hundred ten".