121025001479 has 2 divisors, whose sum is σ = 121025001480. Its totient is φ = 121025001478.

The previous prime is 121025001451. The next prime is 121025001481. The reversal of 121025001479 is 974100520121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121025001479 - 2³⁶ = 52305524743 is a prime.

Together with 121025001481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121025000479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60512500739 + 60512500740.

It is an arithmetic number, because the mean of its divisors is an integer number (60512500740).

Almost surely, 2^121025001479 is an apocalyptic number.

121025001479 is a deficient number, since it is larger than the sum of its proper divisors (1).

121025001479 is an equidigital number, since it uses as much as digits as its factorization.

121025001479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 121025001479 in words is "one hundred twenty-one billion, twenty-five million, one thousand, four hundred seventy-nine".