120021402 has 8 divisors (see below), whose sum is σ = 240042816. Its totient is φ = 40007132.

The previous prime is 120021379. The next prime is 120021413. The reversal of 120021402 is 204120021.

It is a sphenic number, since it is the product of 3 distinct primes.

120021402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10001778 + ... + 10001789.

It is an arithmetic number, because the mean of its divisors is an integer number (30005352).

Almost surely, 2^120021402 is an apocalyptic number.

120021402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120021402 is a wasteful number, since it uses less digits than its factorization.

120021402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20003572.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 120021402 is about 10955.4279697326. The cubic root of 120021402 is about 493.2717363846.

Adding to 120021402 its reverse (204120021), we get a palindrome (324141423).

The spelling of 120021402 in words is "one hundred twenty million, twenty-one thousand, four hundred two".