1197373949 has 2 divisors, whose sum is σ = 1197373950. Its totient is φ = 1197373948.

The previous prime is 1197373943. The next prime is 1197373973. The reversal of 1197373949 is 9493737911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1134679225 + 62694724 = 33685^2 + 7918^2 .

It is a cyclic number.

It is not a de Polignac number, because 1197373949 - 2¹² = 1197369853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1197373949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1197373943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598686974 + 598686975.

It is an arithmetic number, because the mean of its divisors is an integer number (598686975).

Almost surely, 2^1197373949 is an apocalyptic number.

It is an amenable number.

1197373949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197373949 is an equidigital number, since it uses as much as digits as its factorization.

1197373949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1285956, while the sum is 53.

The square root of 1197373949 is about 34603.0916104327. The cubic root of 1197373949 is about 1061.8828375991.

The spelling of 1197373949 in words is "one billion, one hundred ninety-seven million, three hundred seventy-three thousand, nine hundred forty-nine".