120727663 has 4 divisors (see below), whose sum is σ = 137974480. Its totient is φ = 103480848.

The previous prime is 120727643. The next prime is 120727679. The reversal of 120727663 is 366727021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366727021 = 463 ⋅792067.

It is a cyclic number.

It is not a de Polignac number, because 120727663 - 2¹³ = 120719471 is a prime.

It is a super-2 number, since 2×120727663² = 29150337226883138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120727613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8623398 + ... + 8623411.

It is an arithmetic number, because the mean of its divisors is an integer number (34493620).

Almost surely, 2^120727663 is an apocalyptic number.

120727663 is a deficient number, since it is larger than the sum of its proper divisors (17246817).

120727663 is an equidigital number, since it uses as much as digits as its factorization.

120727663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17246816.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 120727663 is about 10987.6140722179. The cubic root of 120727663 is about 494.2373904801.

The spelling of 120727663 in words is "one hundred twenty million, seven hundred twenty-seven thousand, six hundred sixty-three".