121025001451 has 2 divisors, whose sum is σ = 121025001452. Its totient is φ = 121025001450.

The previous prime is 121025001443. The next prime is 121025001479. The reversal of 121025001451 is 154100520121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121025001451 - 2³ = 121025001443 is a prime.

It is not a weakly prime, because it can be changed into another prime (121025001421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60512500725 + 60512500726.

It is an arithmetic number, because the mean of its divisors is an integer number (60512500726).

Almost surely, 2^121025001451 is an apocalyptic number.

121025001451 is a deficient number, since it is larger than the sum of its proper divisors (1).

121025001451 is an equidigital number, since it uses as much as digits as its factorization.

121025001451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 121025001451 its reverse (154100520121), we get a palindrome (275125521572).

The spelling of 121025001451 in words is "one hundred twenty-one billion, twenty-five million, one thousand, four hundred fifty-one".