1172072561407 has 8 divisors (see below), whose sum is σ = 1278648657792. Its totient is φ = 1065500472600.

The previous prime is 1172072561371. The next prime is 1172072561419. The reversal of 1172072561407 is 7041652702711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1172072561407 - 2²⁷ = 1171938343679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172072561437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373219 + ... + 1575892.

It is an arithmetic number, because the mean of its divisors is an integer number (159831082224).

Almost surely, 2^{1172072561407} is an apocalyptic number.

1172072561407 is a deficient number, since it is larger than the sum of its proper divisors (106576096385).

1172072561407 is a wasteful number, since it uses less digits than its factorization.

1172072561407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003789.

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 1172072561407 in words is "one trillion, one hundred seventy-two billion, seventy-two million, five hundred sixty-one thousand, four hundred seven".