101493190 has 16 divisors (see below), whose sum is σ = 182875392. Its totient is φ = 40555584.

The previous prime is 101493187. The next prime is 101493191. The reversal of 101493190 is 91394101.

It is a happy number.

It is a super-2 number, since 2×101493190² = 20601735232752200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101493191) 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, 6202 + ... + 15538.

It is an arithmetic number, because the mean of its divisors is an integer number (11429712).

Almost surely, 2^101493190 is an apocalyptic number.

101493190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101493190 is a deficient number, since it is larger than the sum of its proper divisors (81382202).

101493190 is a wasteful number, since it uses less digits than its factorization.

101493190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10431.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 101493190 is about 10074.3828595106. The cubic root of 101493190 is about 466.4577369736.

The spelling of 101493190 in words is "one hundred one million, four hundred ninety-three thousand, one hundred ninety".