1157065042 has 8 divisors (see below), whose sum is σ = 1983540096. Its totient is φ = 495885012.

The previous prime is 1157065031. The next prime is 1157065043. The reversal of 1157065042 is 2405607511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1157065042² = 2677599022836923528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1157064995 and 1157065013.

It is not an unprimeable number, because it can be changed into a prime (1157065043) 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, 41323738 + ... + 41323765.

It is an arithmetic number, because the mean of its divisors is an integer number (247942512).

Almost surely, 2^1157065042 is an apocalyptic number.

1157065042 is a deficient number, since it is larger than the sum of its proper divisors (826475054).

1157065042 is an equidigital number, since it uses as much as digits as its factorization.

1157065042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82647512.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1157065042 is about 34015.6587765106. The cubic root of 1157065042 is about 1049.8306732243.

The spelling of 1157065042 in words is "one billion, one hundred fifty-seven million, sixty-five thousand, forty-two".