1197679701 has 4 divisors (see below), whose sum is σ = 1596906272. Its totient is φ = 798453132.

The previous prime is 1197679697. The next prime is 1197679727. The reversal of 1197679701 is 1079767911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1079767911 = 3 ⋅359922637.

It is not a de Polignac number, because 1197679701 - 2² = 1197679697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197679601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199613281 + ... + 199613286.

It is an arithmetic number, because the mean of its divisors is an integer number (399226568).

Almost surely, 2^1197679701 is an apocalyptic number.

It is an amenable number.

1197679701 is a deficient number, since it is larger than the sum of its proper divisors (399226571).

1197679701 is an equidigital number, since it uses as much as digits as its factorization.

1197679701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399226570.

The product of its (nonzero) digits is 166698, while the sum is 48.

The square root of 1197679701 is about 34607.5093151761. The cubic root of 1197679701 is about 1061.9732145918.

The spelling of 1197679701 in words is "one billion, one hundred ninety-seven million, six hundred seventy-nine thousand, seven hundred one".