1375155 has 12 divisors (see below), whose sum is σ = 2383680. Its totient is φ = 733392.

The previous prime is 1375141. The next prime is 1375159. The reversal of 1375155 is 5515731.

It is not a de Polignac number, because 1375155 - 2⁶ = 1375091 is a prime.

1375155 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1375159) 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, 15235 + ... + 15324.

It is an arithmetic number, because the mean of its divisors is an integer number (198640).

2^1375155 is an apocalyptic number.

1375155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1375155 is a deficient number, since it is larger than the sum of its proper divisors (1008525).

1375155 is a wasteful number, since it uses less digits than its factorization.

1375155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30570 (or 30567 counting only the distinct ones).

The product of its digits is 2625, while the sum is 27.

The square root of 1375155 is about 1172.6700303154. The cubic root of 1375155 is about 111.2031827583.

The spelling of 1375155 in words is "one million, three hundred seventy-five thousand, one hundred fifty-five".