1194912072 has 24 divisors (see below), whose sum is σ = 3236220390. Its totient is φ = 398304000.

The previous prime is 1194912041. The next prime is 1194912127. The reversal of 1194912072 is 2702194911.

It can be written as a sum of positive squares in only one way, i.e., 1193978916 + 933156 = 34554^2 + 966^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1194912072² = 2855629719622666368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8297929 + ... + 8298072.

Almost surely, 2^1194912072 is an apocalyptic number.

1194912072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1194912072 is an abundant number, since it is smaller than the sum of its proper divisors (2041308318).

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

1194912072 is a wasteful number, since it uses less digits than its factorization.

1194912072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16596013 (or 16596006 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1194912072 is about 34567.5002278151. The cubic root of 1194912072 is about 1061.1545720317.

The spelling of 1194912072 in words is "one billion, one hundred ninety-four million, nine hundred twelve thousand, seventy-two".