1274111982 has 96 divisors (see below), whose sum is σ = 3322571616. Its totient is φ = 347673600.

The previous prime is 1274111977. The next prime is 1274112029. The reversal of 1274111982 is 2891114721.

It is a super-2 number, since 2×1274111982² = 3246722685351936648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99498 + ... + 111570.

It is an arithmetic number, because the mean of its divisors is an integer number (34610121).

Almost surely, 2^1274111982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1274111982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1661285808).

1274111982 is an abundant number, since it is smaller than the sum of its proper divisors (2048459634).

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

1274111982 is a wasteful number, since it uses less digits than its factorization.

1274111982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12146 (or 12143 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 1274111982 is about 35694.7052376119. The cubic root of 1274111982 is about 1084.0996394252.

The spelling of 1274111982 in words is "one billion, two hundred seventy-four million, one hundred eleven thousand, nine hundred eighty-two".