1172148344964 has 81 divisors (see below), whose sum is σ = 3127411120197. Its totient is φ = 370113133248.

The previous prime is 1172148344951. The next prime is 1172148345041. The reversal of 1172148344964 is 4694438412711.

It is a happy number.

The square root of 1172148344964 is 1082658.

It is a perfect power (a square), and thus also a powerful number.

1172148344964 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 148 + 3 + 4 + 496 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 54882432900 + 1117265912064 = 234270^2 + 1057008^2 .

It is a super-2 number, since 2×1172148344964² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1172148344964.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 123418264 + ... + 123427760.

Almost surely, 2^{1172148344964} is an apocalyptic number.

1172148344964 is the 1082658-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172148344964

1172148344964 is an abundant number, since it is smaller than the sum of its proper divisors (1955262775233).

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

1172148344964 is an frugal number, since it uses more digits than its factorization.

1172148344964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19042 (or 9521 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 1172148344964 in words is "one trillion, one hundred seventy-two billion, one hundred forty-eight million, three hundred forty-four thousand, nine hundred sixty-four".