1018365972 has 96 divisors (see below), whose sum is σ = 2665380480. Its totient is φ = 300464640.

The previous prime is 1018365949. The next prime is 1018366003. The reversal of 1018365972 is 2795638101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 736722 + ... + 738102.

It is an arithmetic number, because the mean of its divisors is an integer number (27764380).

Almost surely, 2^1018365972 is an apocalyptic number.

1018365972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1018365972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332690240).

1018365972 is an abundant number, since it is smaller than the sum of its proper divisors (1647014508).

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

1018365972 is a wasteful number, since it uses less digits than its factorization.

1018365972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1018365972 is about 31911.8468910842. The cubic root of 1018365972 is about 1006.0848896847.

The spelling of 1018365972 in words is "one billion, eighteen million, three hundred sixty-five thousand, nine hundred seventy-two".