101492 has 6 divisors (see below), whose sum is σ = 177618. Its totient is φ = 50744.

The previous prime is 101489. The next prime is 101501. The reversal of 101492 is 294101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 55696 + 45796 = 236^2 + 214^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 101492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12683 + ... + 12690.

It is an arithmetic number, because the mean of its divisors is an integer number (29603).

2¹⁰¹⁴⁹² is an apocalyptic number.

It is an amenable number.

101492 is a deficient number, since it is larger than the sum of its proper divisors (76126).

101492 is a wasteful number, since it uses less digits than its factorization.

101492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25377 (or 25375 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 101492 is about 318.5780908977. The cubic root of 101492 is about 46.6455913906.

Subtracting from 101492 its sum of digits (17), we obtain a triangular number (101475 = T₄₅₀).

Adding to 101492 its reverse (294101), we get a palindrome (395593).

The spelling of 101492 in words is "one hundred one thousand, four hundred ninety-two".