1371144 has 16 divisors (see below), whose sum is σ = 3427920. Its totient is φ = 457040.

The previous prime is 1371137. The next prime is 1371151. The reversal of 1371144 is 4411731.

It is an interprime number because it is at equal distance from previous prime (1371137) and next prime (1371151).

It is a super-3 number, since 3×1371144³ = 7733399703606461952, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1371144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28542 + ... + 28589.

It is an arithmetic number, because the mean of its divisors is an integer number (214245).

2^1371144 is an apocalyptic number.

It is an amenable number.

1371144 is an abundant number, since it is smaller than the sum of its proper divisors (2056776).

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

1371144 is a wasteful number, since it uses less digits than its factorization.

1371144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57140 (or 57136 counting only the distinct ones).

The product of its digits is 336, while the sum is 21.

The square root of 1371144 is about 1170.9585816757. The cubic root of 1371144 is about 111.0949597264.

Adding to 1371144 its reverse (4411731), we get a palindrome (5782875).

The spelling of 1371144 in words is "one million, three hundred seventy-one thousand, one hundred forty-four".