1042377157 has 4 divisors (see below), whose sum is σ = 1044609696. Its totient is φ = 1040144620.

The previous prime is 1042377121. The next prime is 1042377169. The reversal of 1042377157 is 7517732401.

It is a happy number.

1042377157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1042377157 - 2²⁷ = 908159429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042377187) 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, 1115569 + ... + 1116502.

It is an arithmetic number, because the mean of its divisors is an integer number (261152424).

Almost surely, 2^1042377157 is an apocalyptic number.

It is an amenable number.

1042377157 is a deficient number, since it is larger than the sum of its proper divisors (2232539).

1042377157 is an equidigital number, since it uses as much as digits as its factorization.

1042377157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232538.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 1042377157 is about 32285.8662110838. The cubic root of 1042377157 is about 1013.9307519880.

The spelling of 1042377157 in words is "one billion, forty-two million, three hundred seventy-seven thousand, one hundred fifty-seven".