1552140 has 36 divisors (see below), whose sum is σ = 4708704. Its totient is φ = 413856.

The previous prime is 1552123. The next prime is 1552147. The reversal of 1552140 is 412551.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1552147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4132 + ... + 4491.

2^1552140 is an apocalyptic number.

1552140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552140 is an abundant number, since it is smaller than the sum of its proper divisors (3156564).

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

1552140 is a wasteful number, since it uses less digits than its factorization.

1552140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8638 (or 8633 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1552140 is about 1245.8491080384. The cubic root of 1552140 is about 115.7826886701.

Adding to 1552140 its reverse (412551), we get a palindrome (1964691).

The spelling of 1552140 in words is "one million, five hundred fifty-two thousand, one hundred forty".