1122396156 has 192 divisors, whose sum is σ = 3480960000. Its totient is φ = 312439680.

The previous prime is 1122396109. The next prime is 1122396167. The reversal of 1122396156 is 6516932211.

1122396156 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 39 + 615 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1122396156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1518435 + ... + 1519173.

It is an arithmetic number, because the mean of its divisors is an integer number (18130000).

Almost surely, 2^1122396156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122396156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740480000).

1122396156 is an abundant number, since it is smaller than the sum of its proper divisors (2358563844).

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

1122396156 is a wasteful number, since it uses less digits than its factorization.

1122396156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 792 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 1122396156 is about 33502.1813618158. The cubic root of 1122396156 is about 1039.2388896262.

The spelling of 1122396156 in words is "one billion, one hundred twenty-two million, three hundred ninety-six thousand, one hundred fifty-six".