1373777001 has 12 divisors (see below), whose sum is σ = 1988296128. Its totient is φ = 914027544.

The previous prime is 1373776993. The next prime is 1373777003. The reversal of 1373777001 is 1007773731.

It is not a de Polignac number, because 1373777001 - 2³ = 1373776993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1373777003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147205 + ... + 156258.

It is an arithmetic number, because the mean of its divisors is an integer number (165691344).

Almost surely, 2^1373777001 is an apocalyptic number.

It is an amenable number.

1373777001 is a deficient number, since it is larger than the sum of its proper divisors (614519127).

1373777001 is a wasteful number, since it uses less digits than its factorization.

1373777001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303972 (or 303969 counting only the distinct ones).

The product of its (nonzero) digits is 21609, while the sum is 36.

The square root of 1373777001 is about 37064.4978517179. The cubic root of 1373777001 is about 1111.6602595584.

The spelling of 1373777001 in words is "one billion, three hundred seventy-three million, seven hundred seventy-seven thousand, one".