120621474 has 40 divisors (see below), whose sum is σ = 274114368. Its totient is φ = 39637080.

The previous prime is 120621439. The next prime is 120621491. The reversal of 120621474 is 474126021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6259 + ... + 16745.

Almost surely, 2^120621474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120621474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137057184).

120621474 is an abundant number, since it is smaller than the sum of its proper divisors (153492894).

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

120621474 is a wasteful number, since it uses less digits than its factorization.

120621474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10572 (or 10563 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 120621474 is about 10982.7807954088. The cubic root of 120621474 is about 494.0924417365.

Adding to 120621474 its reverse (474126021), we get a palindrome (594747495).

The spelling of 120621474 in words is "one hundred twenty million, six hundred twenty-one thousand, four hundred seventy-four".