1351023 has 16 divisors (see below), whose sum is σ = 1905120. Its totient is φ = 850304.

The previous prime is 1351019. The next prime is 1351027. The reversal of 1351023 is 3201531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1351019) and next prime (1351027).

It is a cyclic number.

It is not a de Polignac number, because 1351023 - 2² = 1351019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1350993 and 1351011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4465 + ... + 4757.

It is an arithmetic number, because the mean of its divisors is an integer number (119070).

2^1351023 is an apocalyptic number.

1351023 is a deficient number, since it is larger than the sum of its proper divisors (554097).

1351023 is a wasteful number, since it uses less digits than its factorization.

1351023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1351023 is about 1162.3351496019. The cubic root of 1351023 is about 110.5488546826.

Adding to 1351023 its reverse (3201531), we get a palindrome (4552554).

The spelling of 1351023 in words is "one million, three hundred fifty-one thousand, twenty-three".