121252415 has 8 divisors (see below), whose sum is σ = 154062000. Its totient is φ = 91295872.

The previous prime is 121252409. The next prime is 121252423. The reversal of 121252415 is 514252121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121252415 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713165 + ... + 713334.

It is an arithmetic number, because the mean of its divisors is an integer number (19257750).

Almost surely, 2^121252415 is an apocalyptic number.

121252415 is a deficient number, since it is larger than the sum of its proper divisors (32809585).

121252415 is a wasteful number, since it uses less digits than its factorization.

121252415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426521.

The product of its digits is 800, while the sum is 23.

The square root of 121252415 is about 11011.4674317277. The cubic root of 121252415 is about 494.9524356569.

The spelling of 121252415 in words is "one hundred twenty-one million, two hundred fifty-two thousand, four hundred fifteen".