1042251245 has 16 divisors (see below), whose sum is σ = 1449508608. Its totient is φ = 704618880.

The previous prime is 1042251227. The next prime is 1042251253. The reversal of 1042251245 is 5421522401.

It is not a de Polignac number, because 1042251245 - 2²⁶ = 975142381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207224 + ... + 212193.

It is an arithmetic number, because the mean of its divisors is an integer number (90594288).

Almost surely, 2^1042251245 is an apocalyptic number.

It is an amenable number.

1042251245 is a deficient number, since it is larger than the sum of its proper divisors (407257363).

1042251245 is an equidigital number, since it uses as much as digits as its factorization.

1042251245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419500.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1042251245 is about 32283.9161967689. The cubic root of 1042251245 is about 1013.8899250542.

Adding to 1042251245 its reverse (5421522401), we get a palindrome (6463773646).

The spelling of 1042251245 in words is "one billion, forty-two million, two hundred fifty-one thousand, two hundred forty-five".