1552115 has 4 divisors (see below), whose sum is σ = 1862544. Its totient is φ = 1241688.

The previous prime is 1552087. The next prime is 1552121. The reversal of 1552115 is 5112551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1552115 - 2⁸ = 1551859 is a prime.

It is an Ulam number.

It is a Duffinian number.

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, 155207 + ... + 155216.

It is an arithmetic number, because the mean of its divisors is an integer number (465636).

2^1552115 is an apocalyptic number.

1552115 is a deficient number, since it is larger than the sum of its proper divisors (310429).

1552115 is an equidigital number, since it uses as much as digits as its factorization.

1552115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310428.

The product of its digits is 250, while the sum is 20.

The square root of 1552115 is about 1245.8390746802. The cubic root of 1552115 is about 115.7820670375.

Adding to 1552115 its reverse (5112551), we get a palindrome (6664666).

The spelling of 1552115 in words is "one million, five hundred fifty-two thousand, one hundred fifteen".