1157888042 has 16 divisors (see below), whose sum is σ = 1759190400. Its totient is φ = 571512480.

The previous prime is 1157888023. The next prime is 1157888077. The reversal of 1157888042 is 2408887511.

It is a junction number, because it is equal to n+sod(n) for n = 1157887984 and 1157888002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112367 + ... + 122237.

It is an arithmetic number, because the mean of its divisors is an integer number (109949400).

Almost surely, 2^1157888042 is an apocalyptic number.

1157888042 is a deficient number, since it is larger than the sum of its proper divisors (601302358).

1157888042 is an equidigital number, since it uses as much as digits as its factorization.

1157888042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621.

The product of its (nonzero) digits is 143360, while the sum is 44.

The square root of 1157888042 is about 34027.7539958194. The cubic root of 1157888042 is about 1050.0795229264.

The spelling of 1157888042 in words is "one billion, one hundred fifty-seven million, eight hundred eighty-eight thousand, forty-two".