1355031 has 6 divisors (see below), whose sum is σ = 1957280. Its totient is φ = 903348.

The previous prime is 1355021. The next prime is 1355047. The reversal of 1355031 is 1305531.

It is a happy number.

It is not a de Polignac number, because 1355031 - 2¹⁰ = 1354007 is a prime.

It is a super-2 number, since 2×1355031² = 3672218021922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1354995 and 1355013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75271 + ... + 75288.

2^1355031 is an apocalyptic number.

1355031 is a deficient number, since it is larger than the sum of its proper divisors (602249).

1355031 is a wasteful number, since it uses less digits than its factorization.

1355031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150565 (or 150562 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 1355031 is about 1164.0579882463. The cubic root of 1355031 is about 110.6580663386.

The spelling of 1355031 in words is "one million, three hundred fifty-five thousand, thirty-one".