121301372 has 12 divisors (see below), whose sum is σ = 213505656. Its totient is φ = 60299760.

The previous prime is 121301359. The next prime is 121301381. The reversal of 121301372 is 273103121.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 86954 + ... + 88337.

It is an arithmetic number, because the mean of its divisors is an integer number (17792138).

Almost surely, 2^121301372 is an apocalyptic number.

It is an amenable number.

121301372 is a deficient number, since it is larger than the sum of its proper divisors (92204284).

121301372 is a wasteful number, since it uses less digits than its factorization.

121301372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175468 (or 175466 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 121301372 is about 11013.6902081001. The cubic root of 121301372 is about 495.0190408620.

Adding to 121301372 its reverse (273103121), we get a palindrome (394404493).

The spelling of 121301372 in words is "one hundred twenty-one million, three hundred one thousand, three hundred seventy-two".