1051172106720 has 96 divisors (see below), whose sum is σ = 3311462437920. Its totient is φ = 280289679360.

The previous prime is 1051172106703. The next prime is 1051172106727. The reversal of 1051172106720 is 276012711501.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1051172106720² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051172106727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6267150 + ... + 6432690.

It is an arithmetic number, because the mean of its divisors is an integer number (34494400395).

Almost surely, 2^{1051172106720} is an apocalyptic number.

1051172106720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051172106720 is an abundant number, since it is smaller than the sum of its proper divisors (2260290331200).

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

1051172106720 is a wasteful number, since it uses less digits than its factorization.

1051172106720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178788 (or 178780 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 33.

The spelling of 1051172106720 in words is "one trillion, fifty-one billion, one hundred seventy-two million, one hundred six thousand, seven hundred twenty".