1420125426 has 16 divisors (see below), whose sum is σ = 3155834400. Its totient is φ = 473375124.

The previous prime is 1420125419. The next prime is 1420125449. The reversal of 1420125426 is 6245210241.

1420125426 is a `hidden beast` number, since 14 + 201 + 25 + 426 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1420125426.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13149256 + ... + 13149363.

It is an arithmetic number, because the mean of its divisors is an integer number (197239650).

Almost surely, 2^1420125426 is an apocalyptic number.

1420125426 is an abundant number, since it is smaller than the sum of its proper divisors (1735708974).

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

1420125426 is a wasteful number, since it uses less digits than its factorization.

1420125426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26298630 (or 26298624 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1420125426 is about 37684.5515563075. The cubic root of 1420125426 is about 1124.0239569916.

Adding to 1420125426 its reverse (6245210241), we get a palindrome (7665335667).

The spelling of 1420125426 in words is "one billion, four hundred twenty million, one hundred twenty-five thousand, four hundred twenty-six".