1001254245 has 16 divisors (see below), whose sum is σ = 1617562752. Its totient is φ = 528816960.

The previous prime is 1001254187. The next prime is 1001254277. The reversal of 1001254245 is 5424521001.

It is not a de Polignac number, because 1001254245 - 2¹² = 1001250149 is a prime.

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, 322486 + ... + 325575.

It is an arithmetic number, because the mean of its divisors is an integer number (101097672).

Almost surely, 2^1001254245 is an apocalyptic number.

1001254245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001254245 is a deficient number, since it is larger than the sum of its proper divisors (616308507).

1001254245 is a wasteful number, since it uses less digits than its factorization.

1001254245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648172.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1001254245 is about 31642.6017419554. The cubic root of 1001254245 is about 1000.4179069961.

Adding to 1001254245 its reverse (5424521001), we get a palindrome (6425775246).

The spelling of 1001254245 in words is "one billion, one million, two hundred fifty-four thousand, two hundred forty-five".