1122573156 has 12 divisors (see below), whose sum is σ = 2619337392. Its totient is φ = 374191048.

The previous prime is 1122573139. The next prime is 1122573203. The reversal of 1122573156 is 6513752211.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46773870 + ... + 46773893.

It is an arithmetic number, because the mean of its divisors is an integer number (218278116).

Almost surely, 2^1122573156 is an apocalyptic number.

It is an amenable number.

1122573156 is an abundant number, since it is smaller than the sum of its proper divisors (1496764236).

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

1122573156 is a wasteful number, since it uses less digits than its factorization.

1122573156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93547770 (or 93547768 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 1122573156 is about 33504.8228767143. The cubic root of 1122573156 is about 1039.2935155008.

The spelling of 1122573156 in words is "one billion, one hundred twenty-two million, five hundred seventy-three thousand, one hundred fifty-six".