1155990602 has 16 divisors (see below), whose sum is σ = 1876761600. Its totient is φ = 530850672.

The previous prime is 1155990601. The next prime is 1155990623. The reversal of 1155990602 is 2060995511.

It is not an unprimeable number, because it can be changed into a prime (1155990601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106538 + ... + 116885.

It is an arithmetic number, because the mean of its divisors is an integer number (117297600).

Almost surely, 2^1155990602 is an apocalyptic number.

1155990602 is a deficient number, since it is larger than the sum of its proper divisors (720770998).

1155990602 is a wasteful number, since it uses less digits than its factorization.

1155990602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223637.

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 1155990602 is about 33999.8617938368. The cubic root of 1155990602 is about 1049.5056182067.

The spelling of 1155990602 in words is "one billion, one hundred fifty-five million, nine hundred ninety thousand, six hundred two".