1233640151 has 16 divisors (see below), whose sum is σ = 1313827200. Its totient is φ = 1155060000.

The previous prime is 1233640147. The next prime is 1233640153. The reversal of 1233640151 is 1510463321.

It is a cyclic number.

It is not a de Polignac number, because 1233640151 - 2² = 1233640147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1233640151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233640153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661961 + ... + 663821.

It is an arithmetic number, because the mean of its divisors is an integer number (82114200).

Almost surely, 2^1233640151 is an apocalyptic number.

1233640151 is a deficient number, since it is larger than the sum of its proper divisors (80187049).

1233640151 is a wasteful number, since it uses less digits than its factorization.

1233640151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1233640151 is about 35123.2138478243. The cubic root of 1233640151 is about 1072.4971956538.

The spelling of 1233640151 in words is "one billion, two hundred thirty-three million, six hundred forty thousand, one hundred fifty-one".