1202232091 has 16 divisors (see below), whose sum is σ = 1256371200. Its totient is φ = 1149005088.

The previous prime is 1202232089. The next prime is 1202232113. The reversal of 1202232091 is 1902322021.

It is a cyclic number.

It is not a de Polignac number, because 1202232091 - 2¹ = 1202232089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202232071) 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, 1980310 + ... + 1980916.

It is an arithmetic number, because the mean of its divisors is an integer number (78523200).

Almost surely, 2^1202232091 is an apocalyptic number.

1202232091 is a deficient number, since it is larger than the sum of its proper divisors (54139109).

1202232091 is a wasteful number, since it uses less digits than its factorization.

1202232091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1202232091 is about 34673.2186420586. The cubic root of 1202232091 is about 1063.3170362595.

The spelling of 1202232091 in words is "one billion, two hundred two million, two hundred thirty-two thousand, ninety-one".