1371172 has 18 divisors (see below), whose sum is σ = 2638454. Its totient is φ = 623040.

The previous prime is 1371157. The next prime is 1371179. The reversal of 1371172 is 2711731.

It can be written as a sum of positive squares in only one way, i.e., 1115136 + 256036 = 1056^2 + 506^2 .

It is a super-2 number, since 2×1371172² = 3760225307168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 933 + ... + 1900.

2^1371172 is an apocalyptic number.

It is an amenable number.

1371172 is a deficient number, since it is larger than the sum of its proper divisors (1267282).

1371172 is a wasteful number, since it uses less digits than its factorization.

1371172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859 (or 2846 counting only the distinct ones).

The product of its digits is 294, while the sum is 22.

The square root of 1371172 is about 1170.9705376311. The cubic root of 1371172 is about 111.0957159411.

1371172 divided by its sum of digits (22) gives a palindrome (62326).

It can be divided in two parts, 1 and 371172, that added together give a palindrome (371173).

The spelling of 1371172 in words is "one million, three hundred seventy-one thousand, one hundred seventy-two".