120402450 has 240 divisors, whose sum is σ = 397545984. Its totient is φ = 26438400.

The previous prime is 120402427. The next prime is 120402463. The reversal of 120402450 is 54204021.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 878782 + ... + 878918.

Almost surely, 2^120402450 is an apocalyptic number.

120402450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120402450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198772992).

120402450 is an abundant number, since it is smaller than the sum of its proper divisors (277143534).

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

120402450 is a wasteful number, since it uses less digits than its factorization.

120402450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 120402450 is about 10972.8050196839. The cubic root of 120402450 is about 493.7932035047.

Adding to 120402450 its reverse (54204021), we get a palindrome (174606471).

The spelling of 120402450 in words is "one hundred twenty million, four hundred two thousand, four hundred fifty".