1040125041251 has 8 divisors (see below), whose sum is σ = 1042577543280. Its totient is φ = 1037673011232.

The previous prime is 1040125041247. The next prime is 1040125041283. The reversal of 1040125041251 is 1521405210401.

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 1040125041251 - 2² = 1040125041247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040125041251.

It is not an unprimeable number, because it can be changed into a prime (1040125011251) 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, 4507481 + ... + 4732613.

It is an arithmetic number, because the mean of its divisors is an integer number (130322192910).

Almost surely, 2^{1040125041251} is an apocalyptic number.

1040125041251 is a deficient number, since it is larger than the sum of its proper divisors (2452502029).

1040125041251 is a wasteful number, since it uses less digits than its factorization.

1040125041251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236005.

The product of its (nonzero) digits is 1600, while the sum is 26.

The spelling of 1040125041251 in words is "one trillion, forty billion, one hundred twenty-five million, forty-one thousand, two hundred fifty-one".