1172157002 has 16 divisors (see below), whose sum is σ = 1775862792. Its totient is φ = 580231680.

The previous prime is 1172156989. The next prime is 1172157011. The reversal of 1172157002 is 2007512711.

It can be written as a sum of positive squares in 4 ways, for example, as 1053586681 + 118570321 = 32459^2 + 10889^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76358 + ... + 90414.

Almost surely, 2^1172157002 is an apocalyptic number.

1172157002 is a deficient number, since it is larger than the sum of its proper divisors (603705790).

1172157002 is a wasteful number, since it uses less digits than its factorization.

1172157002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14473.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 1172157002 is about 34236.7784991520. The cubic root of 1172157002 is about 1054.3753936262.

Adding to 1172157002 its reverse (2007512711), we get a palindrome (3179669713).

The spelling of 1172157002 in words is "one billion, one hundred seventy-two million, one hundred fifty-seven thousand, two".