1157428930 has 16 divisors (see below), whose sum is σ = 2380996800. Its totient is φ = 396832752.

The previous prime is 1157428919. The next prime is 1157428957. The reversal of 1157428930 is 398247511.

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 7 ways as a sum of consecutive naturals, for example, 8267280 + ... + 8267419.

It is an arithmetic number, because the mean of its divisors is an integer number (148812300).

Almost surely, 2^1157428930 is an apocalyptic number.

1157428930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157428930 is an abundant number, since it is smaller than the sum of its proper divisors (1223567870).

1157428930 is a wasteful number, since it uses less digits than its factorization.

1157428930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16534713.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1157428930 is about 34021.0071867368. The cubic root of 1157428930 is about 1049.9407162296.

It can be divided in two parts, 11574 and 28930, that added together give a palindrome (40504).

The spelling of 1157428930 in words is "one billion, one hundred fifty-seven million, four hundred twenty-eight thousand, nine hundred thirty".