1242980363 has 4 divisors (see below), whose sum is σ = 1247932728. Its totient is φ = 1238028000.

The previous prime is 1242980293. The next prime is 1242980383. The reversal of 1242980363 is 3630892421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1242980363 - 2³⁰ = 169238539 is a prime.

It is a super-2 number, since 2×1242980363² = 3090000365607223538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242980383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2475806 + ... + 2476307.

It is an arithmetic number, because the mean of its divisors is an integer number (311983182).

Almost surely, 2^1242980363 is an apocalyptic number.

1242980363 is a deficient number, since it is larger than the sum of its proper divisors (4952365).

1242980363 is an equidigital number, since it uses as much as digits as its factorization.

1242980363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4952364.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1242980363 is about 35255.9266365245. The cubic root of 1242980363 is about 1075.1971120075.

The spelling of 1242980363 in words is "one billion, two hundred forty-two million, nine hundred eighty thousand, three hundred sixty-three".