1157030620 has 12 divisors (see below), whose sum is σ = 2429764344. Its totient is φ = 462812240.

The previous prime is 1157030551. The next prime is 1157030653. The reversal of 1157030620 is 260307511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28925746 + ... + 28925785.

It is an arithmetic number, because the mean of its divisors is an integer number (202480362).

Almost surely, 2^1157030620 is an apocalyptic number.

1157030620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157030620 is an abundant number, since it is smaller than the sum of its proper divisors (1272733724).

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

1157030620 is a wasteful number, since it uses less digits than its factorization.

1157030620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57851540 (or 57851538 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1157030620 is about 34015.1527998920. The cubic root of 1157030620 is about 1049.8202625074.

The spelling of 1157030620 in words is "one billion, one hundred fifty-seven million, thirty thousand, six hundred twenty".