1402272 has 60 divisors (see below), whose sum is σ = 4131666. Its totient is φ = 466560.

The previous prime is 1402267. The next prime is 1402277. The reversal of 1402272 is 2722041.

It is an interprime number because it is at equal distance from previous prime (1402267) and next prime (1402277).

It can be written as a sum of positive squares in only one way, i.e., 1245456 + 156816 = 1116^2 + 396^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1402277) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2322 + ... + 2862.

2^1402272 is an apocalyptic number.

1402272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2065833).

1402272 is an abundant number, since it is smaller than the sum of its proper divisors (2729394).

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

1402272 is an equidigital number, since it uses as much as digits as its factorization.

1402272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1402272 is about 1184.1756626447. The cubic root of 1402272 is about 111.9293772462.

The spelling of 1402272 in words is "one million, four hundred two thousand, two hundred seventy-two".