1320472197 has 24 divisors (see below), whose sum is σ = 2091667968. Its totient is φ = 796084800.

The previous prime is 1320472189. The next prime is 1320472217. The reversal of 1320472197 is 7912740231.

1320472197 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1320472197 - 2³ = 1320472189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320472177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16008 + ... + 53825.

It is an arithmetic number, because the mean of its divisors is an integer number (87152832).

Almost surely, 2^1320472197 is an apocalyptic number.

It is an amenable number.

1320472197 is a deficient number, since it is larger than the sum of its proper divisors (771195771).

1320472197 is a wasteful number, since it uses less digits than its factorization.

1320472197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70041 (or 70038 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1320472197 is about 36338.3020654515. The cubic root of 1320472197 is about 1097.0920983873.

The spelling of 1320472197 in words is "one billion, three hundred twenty million, four hundred seventy-two thousand, one hundred ninety-seven".