121300542 has 48 divisors (see below), whose sum is σ = 303584112. Its totient is φ = 34594560.

The previous prime is 121300511. The next prime is 121300547. The reversal of 121300542 is 245003121.

121300542 is a `hidden beast` number, since 121 + 3 + 0 + 0 + 542 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121300547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14653 + ... + 21384.

It is an arithmetic number, because the mean of its divisors is an integer number (6324669).

Almost surely, 2^121300542 is an apocalyptic number.

121300542 is an abundant number, since it is smaller than the sum of its proper divisors (182283570).

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

121300542 is a wasteful number, since it uses less digits than its factorization.

121300542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36073 (or 36070 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 121300542 is about 11013.6525276586. The cubic root of 121300542 is about 495.0179118098.

Adding to 121300542 its reverse (245003121), we get a palindrome (366303663).

The spelling of 121300542 in words is "one hundred twenty-one million, three hundred thousand, five hundred forty-two".