1492281 has 12 divisors (see below), whose sum is σ = 2463552. Its totient is φ = 852696.

The previous prime is 1492273. The next prime is 1492289. The reversal of 1492281 is 1822941.

It is an interprime number because it is at equal distance from previous prime (1492273) and next prime (1492289).

It is not a de Polignac number, because 1492281 - 2³ = 1492273 is a prime.

It is a super-2 number, since 2×1492281² = 4453805165922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1492289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11781 + ... + 11906.

It is an arithmetic number, because the mean of its divisors is an integer number (205296).

2^1492281 is an apocalyptic number.

It is an amenable number.

1492281 is a deficient number, since it is larger than the sum of its proper divisors (971271).

1492281 is a wasteful number, since it uses less digits than its factorization.

1492281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23700 (or 23697 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1492281 is about 1221.5895382656. The cubic root of 1492281 is about 114.2747298222.

The spelling of 1492281 in words is "one million, four hundred ninety-two thousand, two hundred eighty-one".