1000157190 has 64 divisors (see below), whose sum is σ = 2423312640. Its totient is φ = 264176000.

The previous prime is 1000157189. The next prime is 1000157267. The reversal of 1000157190 is 917510001.

It is a super-2 number, since 2×1000157190² = 2000628809417392200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000157190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2386801 + ... + 2387219.

It is an arithmetic number, because the mean of its divisors is an integer number (37864260).

Almost surely, 2^1000157190 is an apocalyptic number.

1000157190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000157190 is an abundant number, since it is smaller than the sum of its proper divisors (1423155450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000157190 is a wasteful number, since it uses less digits than its factorization.

1000157190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 315, while the sum is 24.

The square root of 1000157190 is about 31625.2618961488. The cubic root of 1000157190 is about 1000.0523939215.

Adding to 1000157190 its reverse (917510001), we get a palindrome (1917667191).

The spelling of 1000157190 in words is "one billion, one hundred fifty-seven thousand, one hundred ninety".