1162127120399 has 16 divisors (see below), whose sum is σ = 1406428012800. Its totient is φ = 937409956224.

The previous prime is 1162127120353. The next prime is 1162127120417. The reversal of 1162127120399 is 9930217212611.

It is a Cunningham number, because it is equal to 1078020²-1.

It is not a de Polignac number, because 1162127120399 - 2²⁴ = 1162110343183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162127126399) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 539012 + ... + 1617030.

It is an arithmetic number, because the mean of its divisors is an integer number (87901750800).

Almost surely, 2^{1162127120399} is an apocalyptic number.

1162127120399 is a deficient number, since it is larger than the sum of its proper divisors (244300892401).

1162127120399 is a wasteful number, since it uses less digits than its factorization.

1162127120399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087102.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 1162127120399 in words is "one trillion, one hundred sixty-two billion, one hundred twenty-seven million, one hundred twenty thousand, three hundred ninety-nine".