1341779172 has 24 divisors (see below), whose sum is σ = 3131471616. Its totient is φ = 447166368.

The previous prime is 1341779147. The next prime is 1341779189. The reversal of 1341779172 is 2719771431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72493 + ... + 89099.

It is an arithmetic number, because the mean of its divisors is an integer number (130477984).

Almost surely, 2^1341779172 is an apocalyptic number.

1341779172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1341779172 is an abundant number, since it is smaller than the sum of its proper divisors (1789692444).

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

1341779172 is a wasteful number, since it uses less digits than its factorization.

1341779172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23347 (or 23345 counting only the distinct ones).

The product of its digits is 74088, while the sum is 42.

The square root of 1341779172 is about 36630.3040118424. The cubic root of 1341779172 is about 1102.9614886109.

The spelling of 1341779172 in words is "one billion, three hundred forty-one million, seven hundred seventy-nine thousand, one hundred seventy-two".