1554242 has 12 divisors (see below), whose sum is σ = 2477490. Its totient is φ = 731136.

The previous prime is 1554239. The next prime is 1554277. The reversal of 1554242 is 2424551.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1324801 + 229441 = 1151^2 + 479^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 767 + ... + 1922.

2^1554242 is an apocalyptic number.

1554242 is a deficient number, since it is larger than the sum of its proper divisors (923248).

1554242 is a wasteful number, since it uses less digits than its factorization.

1554242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725 (or 2708 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 1554242 is about 1246.6924239763. The cubic root of 1554242 is about 115.8349316873.

Adding to 1554242 its reverse (2424551), we get a palindrome (3978793).

The spelling of 1554242 in words is "one million, five hundred fifty-four thousand, two hundred forty-two".