1253190887 has 8 divisors (see below), whose sum is σ = 1428978096. Its totient is φ = 1088744832.

The previous prime is 1253190859. The next prime is 1253190899. The reversal of 1253190887 is 7880913521.

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 1253190887 - 2¹² = 1253186791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253190487) 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, 2835053 + ... + 2835494.

It is an arithmetic number, because the mean of its divisors is an integer number (178622262).

Almost surely, 2^1253190887 is an apocalyptic number.

1253190887 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1253190887 is a deficient number, since it is larger than the sum of its proper divisors (175787209).

1253190887 is a wasteful number, since it uses less digits than its factorization.

1253190887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670577.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 1253190887 is about 35400.4362543740. The cubic root of 1253190887 is about 1078.1331738617.

The spelling of 1253190887 in words is "one billion, two hundred fifty-three million, one hundred ninety thousand, eight hundred eighty-seven".