1157012606 has 4 divisors (see below), whose sum is σ = 1735518912. Its totient is φ = 578506302.

The previous prime is 1157012587. The next prime is 1157012609. The reversal of 1157012606 is 6062107511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6062107511 = 53 ⋅114379387.

It is a super-2 number, since 2×1157012606² = 2677356340885822472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157012609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289253150 + ... + 289253153.

It is an arithmetic number, because the mean of its divisors is an integer number (433879728).

Almost surely, 2^1157012606 is an apocalyptic number.

1157012606 is a deficient number, since it is larger than the sum of its proper divisors (578506306).

1157012606 is an equidigital number, since it uses as much as digits as its factorization.

1157012606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578506305.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1157012606 is about 34014.8880051074. Note that the first 3 decimals coincide. The cubic root of 1157012606 is about 1049.8148142044.

The spelling of 1157012606 in words is "one billion, one hundred fifty-seven million, twelve thousand, six hundred six".