1372140 has 180 divisors, whose sum is σ = 5407248. Its totient is φ = 285120.

The previous prime is 1372139. The next prime is 1372171. The reversal of 1372140 is 412731.

It is a tau number, because it is divible by the number of its divisors (180).

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

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 124735 + ... + 124745.

2^1372140 is an apocalyptic number.

1372140 is a gapful number since it is divisible by the number (10) 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 1372140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2703624).

1372140 is an abundant number, since it is smaller than the sum of its proper divisors (4035108).

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

1372140 is a wasteful number, since it uses less digits than its factorization.

1372140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1372140 is about 1171.3837970537. The cubic root of 1372140 is about 111.1218530355.

Adding to 1372140 its reverse (412731), we get a palindrome (1784871).

The spelling of 1372140 in words is "one million, three hundred seventy-two thousand, one hundred forty".