412121251 has 4 divisors (see below), whose sum is σ = 412400632. Its totient is φ = 411841872.

The previous prime is 412121249. The next prime is 412121257. The reversal of 412121251 is 152121214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 412121251 - 2¹ = 412121249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412121257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137466 + ... + 140431.

It is an arithmetic number, because the mean of its divisors is an integer number (103100158).

Almost surely, 2^412121251 is an apocalyptic number.

412121251 is a deficient number, since it is larger than the sum of its proper divisors (279381).

412121251 is a wasteful number, since it uses less digits than its factorization.

412121251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279380.

The product of its digits is 160, while the sum is 19.

The square root of 412121251 is about 20300.7697144714. The cubic root of 412121251 is about 744.1748749478.

Adding to 412121251 its reverse (152121214), we get a palindrome (564242465).

The spelling of 412121251 in words is "four hundred twelve million, one hundred twenty-one thousand, two hundred fifty-one".