1002834157 has 6 divisors (see below), whose sum is σ = 1080098222. Its totient is φ = 925587672.

The previous prime is 1002834149. The next prime is 1002834169. The reversal of 1002834157 is 7514382001.

It can be written as a sum of positive squares in only one way, i.e., 694269801 + 308564356 = 26349^2 + 17566^2 .

It is not a de Polignac number, because 1002834157 - 2³ = 1002834149 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 (1002834127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109788 + ... + 118570.

Almost surely, 2^1002834157 is an apocalyptic number.

It is an amenable number.

1002834157 is a deficient number, since it is larger than the sum of its proper divisors (77264065).

1002834157 is an frugal number, since it uses more digits than its factorization.

1002834157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17579 (or 8796 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1002834157 is about 31667.5568524002. The cubic root of 1002834157 is about 1000.9438279086.

The spelling of 1002834157 in words is "one billion, two million, eight hundred thirty-four thousand, one hundred fifty-seven".