1233157122 has 90 divisors (see below), whose sum is σ = 2887637049. Its totient is φ = 393323040.

The previous prime is 1233157117. The next prime is 1233157141. The reversal of 1233157122 is 2217513321.

It can be written as a sum of positive squares in 2 ways, for example, as 1102306401 + 130850721 = 33201^2 + 11439^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24831.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 13855654 + ... + 13855742.

Almost surely, 2^1233157122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1233157122

1233157122 is an abundant number, since it is smaller than the sum of its proper divisors (1654479927).

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

1233157122 is an frugal number, since it uses more digits than its factorization.

1233157122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 125 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 1233157122 is about 35116.3369672863. The cubic root of 1233157122 is about 1072.3571994332.

The spelling of 1233157122 in words is "one billion, two hundred thirty-three million, one hundred fifty-seven thousand, one hundred twenty-two".