121421262 has 16 divisors (see below), whose sum is σ = 245917440. Its totient is φ = 39961272.

The previous prime is 121421227. The next prime is 121421269. The reversal of 121421262 is 262124121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121421269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127608 + ... + 128555.

It is an arithmetic number, because the mean of its divisors is an integer number (15369840).

Almost surely, 2^121421262 is an apocalyptic number.

121421262 is an abundant number, since it is smaller than the sum of its proper divisors (124496178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121421262 is a wasteful number, since it uses less digits than its factorization.

121421262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256247.

The product of its digits is 384, while the sum is 21.

The square root of 121421262 is about 11019.1316354784. The cubic root of 121421262 is about 495.1820736184.

Adding to 121421262 its reverse (262124121), we get a palindrome (383545383).

The spelling of 121421262 in words is "one hundred twenty-one million, four hundred twenty-one thousand, two hundred sixty-two".