2401125991 has 8 divisors (see below), whose sum is σ = 2619859968. Its totient is φ = 2182467000.

The previous prime is 2401125983. The next prime is 2401125997. The reversal of 2401125991 is 1995211042.

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 2401125991 - 2³ = 2401125983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401125997) 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 7 ways as a sum of consecutive naturals, for example, 64186 + ... + 94456.

It is an arithmetic number, because the mean of its divisors is an integer number (327482496).

Almost surely, 2^2401125991 is an apocalyptic number.

2401125991 is a deficient number, since it is larger than the sum of its proper divisors (218733977).

2401125991 is a wasteful number, since it uses less digits than its factorization.

2401125991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37493.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 2401125991 is about 49001.2856055839. The cubic root of 2401125991 is about 1339.0752495050.

The spelling of 2401125991 in words is "two billion, four hundred one million, one hundred twenty-five thousand, nine hundred ninety-one".