120403131000 has 128 divisors (see below), whose sum is σ = 376118683200. Its totient is φ = 32068108800.

The previous prime is 120403130983. The next prime is 120403131031. The reversal of 120403131000 is 131304021.

It is a super-2 number, since 2×120403131000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2462794 + ... + 2511206.

Almost surely, 2^120403131000 is an apocalyptic number.

120403131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120403131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188059341600).

120403131000 is an abundant number, since it is smaller than the sum of its proper divisors (255715552200).

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

120403131000 is a wasteful number, since it uses less digits than its factorization.

120403131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49266 (or 49252 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120403131000 its reverse (131304021), we get a palindrome (120534435021).

The spelling of 120403131000 in words is "one hundred twenty billion, four hundred three million, one hundred thirty-one thousand".