1552138 has 16 divisors (see below), whose sum is σ = 2753280. Its totient is φ = 642096.

The previous prime is 1552123. The next prime is 1552147. The reversal of 1552138 is 8312551.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1506 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (172080).

2^1552138 is an apocalyptic number.

1552138 is a deficient number, since it is larger than the sum of its proper divisors (1201142).

1552138 is a wasteful number, since it uses less digits than its factorization.

1552138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861.

The product of its digits is 1200, while the sum is 25.

The square root of 1552138 is about 1245.8483053727. The cubic root of 1552138 is about 115.7826389398.

Adding to 1552138 its reverse (8312551), we get a palindrome (9864689).

The spelling of 1552138 in words is "one million, five hundred fifty-two thousand, one hundred thirty-eight".