1375011 has 48 divisors (see below), whose sum is σ = 2471040. Its totient is φ = 725760.

The previous prime is 1375007. The next prime is 1375013. The reversal of 1375011 is 1105731.

It is a happy number.

It is not a de Polignac number, because 1375011 - 2² = 1375007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1375013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31956 + ... + 31998.

It is an arithmetic number, because the mean of its divisors is an integer number (51480).

2^1375011 is an apocalyptic number.

1375011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1375011 is a deficient number, since it is larger than the sum of its proper divisors (1096029).

1375011 is a wasteful number, since it uses less digits than its factorization.

1375011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 1375011 is about 1172.6086303622. The cubic root of 1375011 is about 111.1993010584.

The spelling of 1375011 in words is "one million, three hundred seventy-five thousand, eleven".