1300042402 has 16 divisors (see below), whose sum is σ = 1977049080. Its totient is φ = 641063808.

The previous prime is 1300042369. The next prime is 1300042427. The reversal of 1300042402 is 2042400031.

It can be written as a sum of positive squares in 4 ways, for example, as 1229834761 + 70207641 = 35069^2 + 8379^2 .

It is a super-2 number, since 2×1300042402² = 3380220493995859208, which contains 22 as substring.

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, 61468 + ... + 79864.

Almost surely, 2^1300042402 is an apocalyptic number.

1300042402 is a deficient number, since it is larger than the sum of its proper divisors (677006678).

1300042402 is a wasteful number, since it uses less digits than its factorization.

1300042402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18885.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1300042402 is about 36056.1007597882. The cubic root of 1300042402 is about 1091.4047488913.

Adding to 1300042402 its reverse (2042400031), we get a palindrome (3342442433).

The spelling of 1300042402 in words is "one billion, three hundred million, forty-two thousand, four hundred two".