1301797940 has 24 divisors (see below), whose sum is σ = 2774581152. Its totient is φ = 512946720.

The previous prime is 1301797921. The next prime is 1301797943. The reversal of 1301797940 is 497971031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301797943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484406 + ... + 487085.

It is an arithmetic number, because the mean of its divisors is an integer number (115607548).

Almost surely, 2^1301797940 is an apocalyptic number.

1301797940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301797940 is an abundant number, since it is smaller than the sum of its proper divisors (1472783212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301797940 is a wasteful number, since it uses less digits than its factorization.

1301797940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971567 (or 971565 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 1301797940 is about 36080.4370816098. The cubic root of 1301797940 is about 1091.8957945978.

The spelling of 1301797940 in words is "one billion, three hundred one million, seven hundred ninety-seven thousand, nine hundred forty".