121425522 has 16 divisors (see below), whose sum is σ = 243777600. Its totient is φ = 40320752.

The previous prime is 121425511. The next prime is 121425539. The reversal of 121425522 is 225524121.

It is a junction number, because it is equal to n+sod(n) for n = 121425492 and 121425501.

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, 36897 + ... + 40052.

It is an arithmetic number, because the mean of its divisors is an integer number (15236100).

Almost surely, 2^121425522 is an apocalyptic number.

121425522 is an abundant number, since it is smaller than the sum of its proper divisors (122352078).

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

121425522 is a wasteful number, since it uses less digits than its factorization.

121425522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77217.

The product of its digits is 1600, while the sum is 24.

The square root of 121425522 is about 11019.3249339513. The cubic root of 121425522 is about 495.1878646167.

Adding to 121425522 its reverse (225524121), we get a palindrome (346949643).

The spelling of 121425522 in words is "one hundred twenty-one million, four hundred twenty-five thousand, five hundred twenty-two".