121340032 has 32 divisors (see below), whose sum is σ = 263710800. Its totient is φ = 55153920.

The previous prime is 121340027. The next prime is 121340053. The reversal of 121340032 is 230043121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×121340032² = 29446806731522048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 121339988 and 121340015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41682 + ... + 44497.

Almost surely, 2^121340032 is an apocalyptic number.

It is an amenable number.

121340032 is an abundant number, since it is smaller than the sum of its proper divisors (142370768).

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

121340032 is an equidigital number, since it uses as much as digits as its factorization.

121340032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86204 (or 86192 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 121340032 is about 11015.4451566879. The cubic root of 121340032 is about 495.0716245029.

Adding to 121340032 its reverse (230043121), we get a palindrome (351383153).

The spelling of 121340032 in words is "one hundred twenty-one million, three hundred forty thousand, thirty-two".