120401004 has 24 divisors (see below), whose sum is σ = 297461808. Its totient is φ = 37772800.

The previous prime is 120400999. The next prime is 120401009. The reversal of 120401004 is 400104021.

It is an interprime number because it is at equal distance from previous prime (120400999) and next prime (120401009).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (120401009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294897 + ... + 295304.

It is an arithmetic number, because the mean of its divisors is an integer number (12394242).

Almost surely, 2^120401004 is an apocalyptic number.

It is an amenable number.

120401004 is an abundant number, since it is smaller than the sum of its proper divisors (177060804).

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

120401004 is a wasteful number, since it uses less digits than its factorization.

120401004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590225 (or 590223 counting only the distinct ones).

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

The square root of 120401004 is about 10972.7391293150. The cubic root of 120401004 is about 493.7912267237.

Adding to 120401004 its reverse (400104021), we get a palindrome (520505025).

The spelling of 120401004 in words is "one hundred twenty million, four hundred one thousand, four".