121476997 has 2 divisors, whose sum is σ = 121476998. Its totient is φ = 121476996.

The previous prime is 121476989. The next prime is 121477001. The reversal of 121476997 is 799674121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107143201 + 14333796 = 10351^2 + 3786^2 .

It is a cyclic number.

It is not a de Polignac number, because 121476997 - 2³ = 121476989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121476907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60738498 + 60738499.

It is an arithmetic number, because the mean of its divisors is an integer number (60738499).

Almost surely, 2^121476997 is an apocalyptic number.

It is an amenable number.

121476997 is a deficient number, since it is larger than the sum of its proper divisors (1).

121476997 is an equidigital number, since it uses as much as digits as its factorization.

121476997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 46.

The square root of 121476997 is about 11021.6603558629. The cubic root of 121476997 is about 495.2578284756.

The spelling of 121476997 in words is "one hundred twenty-one million, four hundred seventy-six thousand, nine hundred ninety-seven".