974121007 has 2 divisors, whose sum is σ = 974121008. Its totient is φ = 974121006.

The previous prime is 974120999. The next prime is 974121019. The reversal of 974121007 is 700121479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 974121007 - 2³ = 974120999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 974121007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974121037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487060503 + 487060504.

It is an arithmetic number, because the mean of its divisors is an integer number (487060504).

Almost surely, 2^974121007 is an apocalyptic number.

974121007 is a deficient number, since it is larger than the sum of its proper divisors (1).

974121007 is an equidigital number, since it uses as much as digits as its factorization.

974121007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 974121007 is about 31210.9116656339. The cubic root of 974121007 is about 991.2981667377.

The spelling of 974121007 in words is "nine hundred seventy-four million, one hundred twenty-one thousand, seven".