1405272 has 32 divisors (see below), whose sum is σ = 3833280. Its totient is φ = 425760.

The previous prime is 1405267. The next prime is 1405289. The reversal of 1405272 is 2725041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2398 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (119790).

2^1405272 is an apocalyptic number.

1405272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1405272 is an abundant number, since it is smaller than the sum of its proper divisors (2428008).

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

1405272 is a wasteful number, since it uses less digits than its factorization.

1405272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5343 (or 5339 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1405272 is about 1185.4416898355. The cubic root of 1405272 is about 112.0091404105.

The spelling of 1405272 in words is "one million, four hundred five thousand, two hundred seventy-two".