121425332 has 36 divisors (see below), whose sum is σ = 251872740. Its totient is φ = 51053184.

The previous prime is 121425323. The next prime is 121425347. The reversal of 121425332 is 233524121.

It can be written as a sum of positive squares in 2 ways, for example, as 109077136 + 12348196 = 10444^2 + 3514^2 .

It is a super-2 number, since 2×121425332² = 29488222502620448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121425298 and 121425307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4544 + ... + 16232.

It is an arithmetic number, because the mean of its divisors is an integer number (6996465).

Almost surely, 2^121425332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121425332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125936370).

121425332 is an abundant number, since it is smaller than the sum of its proper divisors (130447408).

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

121425332 is a wasteful number, since it uses less digits than its factorization.

121425332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11760 (or 11751 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 121425332 is about 11019.3163127301. The cubic root of 121425332 is about 495.1876063356.

Adding to 121425332 its reverse (233524121), we get a palindrome (354949453).

The spelling of 121425332 in words is "one hundred twenty-one million, four hundred twenty-five thousand, three hundred thirty-two".