940081251 has 16 divisors (see below), whose sum is σ = 1302110208. Its totient is φ = 602817600.

The previous prime is 940081213. The next prime is 940081301. The reversal of 940081251 is 152180049.

It is a happy number.

It is not a de Polignac number, because 940081251 - 2¹⁰ = 940080227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (940081201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45091 + ... + 62556.

It is an arithmetic number, because the mean of its divisors is an integer number (81381888).

Almost surely, 2^940081251 is an apocalyptic number.

940081251 is a deficient number, since it is larger than the sum of its proper divisors (362028957).

940081251 is a wasteful number, since it uses less digits than its factorization.

940081251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107762.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 940081251 is about 30660.7444625860. The cubic root of 940081251 is about 979.6143321403.

It can be divided in two parts, 94008 and 1251, that added together give a palindrome (95259).

The spelling of 940081251 in words is "nine hundred forty million, eighty-one thousand, two hundred fifty-one".