1301877378 has 24 divisors (see below), whose sum is σ = 2969194800. Its totient is φ = 411119064.

The previous prime is 1301877373. The next prime is 1301877383. The reversal of 1301877378 is 8737781031.

It is an interprime number because it is at equal distance from previous prime (1301877373) and next prime (1301877383).

It is not an unprimeable number, because it can be changed into a prime (1301877373) 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, 1902988 + ... + 1903671.

It is an arithmetic number, because the mean of its divisors is an integer number (123716450).

Almost surely, 2^1301877378 is an apocalyptic number.

1301877378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1301877378 is an abundant number, since it is smaller than the sum of its proper divisors (1667317422).

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

1301877378 is a wasteful number, since it uses less digits than its factorization.

1301877378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806686 (or 3806683 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 1301877378 is about 36081.5379106822. The cubic root of 1301877378 is about 1091.9180039467.

The spelling of 1301877378 in words is "one billion, three hundred one million, eight hundred seventy-seven thousand, three hundred seventy-eight".