1197709412 has 6 divisors (see below), whose sum is σ = 2095991478. Its totient is φ = 598854704.

The previous prime is 1197709411. The next prime is 1197709417. The reversal of 1197709412 is 2149077911.

It can be written as a sum of positive squares in only one way, i.e., 1185149476 + 12559936 = 34426^2 + 3544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1197709412.

It is not an unprimeable number, because it can be changed into a prime (1197709411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149713673 + ... + 149713680.

It is an arithmetic number, because the mean of its divisors is an integer number (349331913).

Almost surely, 2^1197709412 is an apocalyptic number.

It is an amenable number.

1197709412 is a deficient number, since it is larger than the sum of its proper divisors (898282066).

1197709412 is a wasteful number, since it uses less digits than its factorization.

1197709412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299427357 (or 299427355 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 1197709412 is about 34607.9385690624. The cubic root of 1197709412 is about 1061.9819960229.

The spelling of 1197709412 in words is "one billion, one hundred ninety-seven million, seven hundred nine thousand, four hundred twelve".