1172255150 has 24 divisors (see below), whose sum is σ = 2378613384. Its totient is φ = 426274400.

The previous prime is 1172255143. The next prime is 1172255171. The reversal of 1172255150 is 515522711.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1065137 + ... + 1066236.

It is an arithmetic number, because the mean of its divisors is an integer number (99108891).

Almost surely, 2^1172255150 is an apocalyptic number.

1172255150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1172255150 is an abundant number, since it is smaller than the sum of its proper divisors (1206358234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1172255150 is a wasteful number, since it uses less digits than its factorization.

1172255150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131396 (or 2131391 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 1172255150 is about 34238.2118399895. The cubic root of 1172255150 is about 1054.4048214098.

Adding to 1172255150 its reverse (515522711), we get a palindrome (1687777861).

The spelling of 1172255150 in words is "one billion, one hundred seventy-two million, two hundred fifty-five thousand, one hundred fifty".