121440522 has 32 divisors (see below), whose sum is σ = 283248000. Its totient is φ = 34696704.

The previous prime is 121440521. The next prime is 121440523. The reversal of 121440522 is 225044121.

It is an interprime number because it is at equal distance from previous prime (121440521) and next prime (121440523).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (121440521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27447 + ... + 31562.

It is an arithmetic number, because the mean of its divisors is an integer number (8851500).

Almost surely, 2^121440522 is an apocalyptic number.

121440522 is an abundant number, since it is smaller than the sum of its proper divisors (161807478).

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

121440522 is an equidigital number, since it uses as much as digits as its factorization.

121440522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59035 (or 59021 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 121440522 is about 11020.0055353888. The cubic root of 121440522 is about 495.2082543777.

Adding to 121440522 its reverse (225044121), we get a palindrome (346484643).

The spelling of 121440522 in words is "one hundred twenty-one million, four hundred forty thousand, five hundred twenty-two".