1172406238927 has 24 divisors (see below), whose sum is σ = 1483843777920. Its totient is φ = 899927764560.

The previous prime is 1172406238891. The next prime is 1172406239009. The reversal of 1172406238927 is 7298326042711.

It is not a de Polignac number, because 1172406238927 - 2⁷ = 1172406238799 is a prime.

It is a super-2 number, since 2×1172406238927² (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 (1172406238427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1350277 + ... + 2041582.

It is an arithmetic number, because the mean of its divisors is an integer number (61826824080).

Almost surely, 2^{1172406238927} is an apocalyptic number.

1172406238927 is a deficient number, since it is larger than the sum of its proper divisors (311437538993).

1172406238927 is an equidigital number, since it uses as much as digits as its factorization.

1172406238927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392011 (or 3391944 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 1172406238927 in words is "one trillion, one hundred seventy-two billion, four hundred six million, two hundred thirty-eight thousand, nine hundred twenty-seven".