1297377143002 has 4 divisors (see below), whose sum is σ = 1946065714506. Its totient is φ = 648688571500.

The previous prime is 1297377142973. The next prime is 1297377143057. The reversal of 1297377143002 is 2003417737921.

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

It can be written as a sum of positive squares in only one way, i.e., 1290243820321 + 7133322681 = 1135889^2 + 84459^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324344285749 + ... + 324344285752.

Almost surely, 2^{1297377143002} is an apocalyptic number.

1297377143002 is a deficient number, since it is larger than the sum of its proper divisors (648688571504).

1297377143002 is an equidigital number, since it uses as much as digits as its factorization.

1297377143002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648688571503.

The product of its (nonzero) digits is 444528, while the sum is 46.

The spelling of 1297377143002 in words is "one trillion, two hundred ninety-seven billion, three hundred seventy-seven million, one hundred forty-three thousand, two".