1280962142 has 8 divisors (see below), whose sum is σ = 1921633176. Its totient is φ = 640417752.

The previous prime is 1280962097. The next prime is 1280962153. The reversal of 1280962142 is 2412690821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 68 + ... + 50615.

It is an arithmetic number, because the mean of its divisors is an integer number (240204147).

Almost surely, 2^1280962142 is an apocalyptic number.

1280962142 is a deficient number, since it is larger than the sum of its proper divisors (640671034).

1280962142 is a wasteful number, since it uses less digits than its factorization.

1280962142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63322.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1280962142 is about 35790.5314573561. The cubic root of 1280962142 is about 1086.0390259189.

The spelling of 1280962142 in words is "one billion, two hundred eighty million, nine hundred sixty-two thousand, one hundred forty-two".