1420142404 has 12 divisors (see below), whose sum is σ = 2489560444. Its totient is φ = 708839424.

The previous prime is 1420142369. The next prime is 1420142419. The reversal of 1420142404 is 4042410241.

It can be written as a sum of positive squares in 2 ways, for example, as 1092170304 + 327972100 = 33048^2 + 18110^2 .

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, 305349 + ... + 309964.

Almost surely, 2^1420142404 is an apocalyptic number.

It is an amenable number.

1420142404 is a deficient number, since it is larger than the sum of its proper divisors (1069418040).

1420142404 is a wasteful number, since it uses less digits than its factorization.

1420142404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615894 (or 615892 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1420142404 is about 37684.7768203555. The cubic root of 1420142404 is about 1124.0284363149.

Adding to 1420142404 its reverse (4042410241), we get a palindrome (5462552645).

The spelling of 1420142404 in words is "one billion, four hundred twenty million, one hundred forty-two thousand, four hundred four".