123492 has 24 divisors (see below), whose sum is σ = 296352. Its totient is φ = 40000.

The previous prime is 123491. The next prime is 123493. The reversal of 123492 is 294321.

It is an interprime number because it is at equal distance from previous prime (123491) and next prime (123493).

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

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (123491) 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, 367 + ... + 617.

It is an arithmetic number, because the mean of its divisors is an integer number (12348).

2¹²³⁴⁹² is an apocalyptic number.

123492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123492 is an abundant number, since it is smaller than the sum of its proper divisors (172860).

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

123492 is a wasteful number, since it uses less digits than its factorization.

123492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 297 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 123492 is about 351.4142854239. The cubic root of 123492 is about 49.7981193141.

It can be divided in two parts, 1234 and 92, that added together give a triangular number (1326 = T₅₁).

The spelling of 123492 in words is "one hundred twenty-three thousand, four hundred ninety-two".