121470451 has 2 divisors, whose sum is σ = 121470452. Its totient is φ = 121470450.

The previous prime is 121470449. The next prime is 121470469. The reversal of 121470451 is 154074121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121470451 - 2¹ = 121470449 is a prime.

It is a super-2 number, since 2×121470451² = 29510140932286802, which contains 22 as substring.

Together with 121470449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (121470551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60735225 + 60735226.

It is an arithmetic number, because the mean of its divisors is an integer number (60735226).

Almost surely, 2^121470451 is an apocalyptic number.

121470451 is a deficient number, since it is larger than the sum of its proper divisors (1).

121470451 is an equidigital number, since it uses as much as digits as its factorization.

121470451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 121470451 is about 11021.3633911599. The cubic root of 121470451 is about 495.2489323717.

The spelling of 121470451 in words is "one hundred twenty-one million, four hundred seventy thousand, four hundred fifty-one".