1145120555207 has 8 divisors (see below), whose sum is σ = 1151206318080. Its totient is φ = 1139035734040.

The previous prime is 1145120555197. The next prime is 1145120555279. The reversal of 1145120555207 is 7025550215411.

It is a happy number.

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 1145120555207 - 2⁴ = 1145120555191 is a prime.

It is a super-2 number, since 2×1145120555207² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145120551207) 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, 2273894 + ... + 2731452.

It is an arithmetic number, because the mean of its divisors is an integer number (143900789760).

Almost surely, 2^{1145120555207} is an apocalyptic number.

1145120555207 is a deficient number, since it is larger than the sum of its proper divisors (6085762873).

1145120555207 is a wasteful number, since it uses less digits than its factorization.

1145120555207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470853.

The product of its (nonzero) digits is 70000, while the sum is 38.

The spelling of 1145120555207 in words is "one trillion, one hundred forty-five billion, one hundred twenty million, five hundred fifty-five thousand, two hundred seven".