1014157057 has 4 divisors (see below), whose sum is σ = 1049128020. Its totient is φ = 979186096.

The previous prime is 1014157051. The next prime is 1014157061. The reversal of 1014157057 is 7507514101.

It is a happy number.

1014157057 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 an emirpimes, since its reverse is a distinct semiprime: 7507514101 = 137 ⋅54799373.

It can be written as a sum of positive squares in 2 ways, for example, as 363703041 + 650454016 = 19071^2 + 25504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1014157057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1014157051) 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, 17485438 + ... + 17485495.

It is an arithmetic number, because the mean of its divisors is an integer number (262282005).

Almost surely, 2^1014157057 is an apocalyptic number.

It is an amenable number.

1014157057 is a deficient number, since it is larger than the sum of its proper divisors (34970963).

1014157057 is an equidigital number, since it uses as much as digits as its factorization.

1014157057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34970962.

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 1014157057 is about 31845.8326473025. The cubic root of 1014157057 is about 1004.6969233711.

The spelling of 1014157057 in words is "one billion, fourteen million, one hundred fifty-seven thousand, fifty-seven".