1197555404 has 24 divisors (see below), whose sum is σ = 2120102208. Its totient is φ = 591828480.

The previous prime is 1197555397. The next prime is 1197555407. The reversal of 1197555404 is 4045557911.

It is a happy number.

It is a super-3 number, since 3×1197555404³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1197555407) 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, 394637 + ... + 397659.

It is an arithmetic number, because the mean of its divisors is an integer number (88337592).

Almost surely, 2^1197555404 is an apocalyptic number.

It is an amenable number.

1197555404 is a deficient number, since it is larger than the sum of its proper divisors (922546804).

1197555404 is a wasteful number, since it uses less digits than its factorization.

1197555404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 1197555404 is about 34605.7134589073. The cubic root of 1197555404 is about 1061.9364755952.

The spelling of 1197555404 in words is "one billion, one hundred ninety-seven million, five hundred fifty-five thousand, four hundred four".