1122152156 has 6 divisors (see below), whose sum is σ = 1963766280. Its totient is φ = 561076076.

The previous prime is 1122152149. The next prime is 1122152173. The reversal of 1122152156 is 6512512211.

It is a super-2 number, since 2×1122152156² = 2518450922430896672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140269016 + ... + 140269023.

It is an arithmetic number, because the mean of its divisors is an integer number (327294380).

Almost surely, 2^1122152156 is an apocalyptic number.

It is an amenable number.

1122152156 is a deficient number, since it is larger than the sum of its proper divisors (841614124).

1122152156 is a wasteful number, since it uses less digits than its factorization.

1122152156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280538043 (or 280538041 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

The square root of 1122152156 is about 33498.5396099591. The cubic root of 1122152156 is about 1039.1635767447.

Adding to 1122152156 its reverse (6512512211), we get a palindrome (7634664367).

The spelling of 1122152156 in words is "one billion, one hundred twenty-two million, one hundred fifty-two thousand, one hundred fifty-six".