1137025779 has 4 divisors (see below), whose sum is σ = 1516034376. Its totient is φ = 758017184.

The previous prime is 1137025753. The next prime is 1137025783. The reversal of 1137025779 is 9775207311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1137025779 - 2⁸ = 1137025523 is a prime.

It is a super-2 number, since 2×1137025779² = 2585655244221113682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1137025779.

It is not an unprimeable number, because it can be changed into a prime (1137025789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189504294 + ... + 189504299.

It is an arithmetic number, because the mean of its divisors is an integer number (379008594).

Almost surely, 2^1137025779 is an apocalyptic number.

1137025779 is a deficient number, since it is larger than the sum of its proper divisors (379008597).

1137025779 is an equidigital number, since it uses as much as digits as its factorization.

1137025779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379008596.

The product of its (nonzero) digits is 92610, while the sum is 42.

The square root of 1137025779 is about 33719.8128553526. The cubic root of 1137025779 is about 1043.7346555216.

The spelling of 1137025779 in words is "one billion, one hundred thirty-seven million, twenty-five thousand, seven hundred seventy-nine".