10131420 has 96 divisors (see below), whose sum is σ = 31610880. Its totient is φ = 2407680.

The previous prime is 10131419. The next prime is 10131463. The reversal of 10131420 is 2413101.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 10131396 and 10131405.

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, 23971 + ... + 24389.

It is an arithmetic number, because the mean of its divisors is an integer number (329280).

Almost surely, 2^10131420 is an apocalyptic number.

10131420 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 10131420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15805440).

10131420 is an abundant number, since it is smaller than the sum of its proper divisors (21479460).

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

10131420 is a wasteful number, since it uses less digits than its factorization.

10131420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10131420 is about 3182.9891611503. The cubic root of 10131420 is about 216.3831505383.

Adding to 10131420 its reverse (2413101), we get a palindrome (12544521).

The spelling of 10131420 in words is "ten million, one hundred thirty-one thousand, four hundred twenty".