1351215 has 16 divisors (see below), whose sum is σ = 2402400. Its totient is φ = 720576.

The previous prime is 1351213. The next prime is 1351241. The reversal of 1351215 is 5121531.

It is not a de Polignac number, because 1351215 - 2¹ = 1351213 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

1351215 is a modest number, since divided by 1215 gives 135 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4870 + ... + 5139.

It is an arithmetic number, because the mean of its divisors is an integer number (150150).

2^1351215 is an apocalyptic number.

1351215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1351215 is a deficient number, since it is larger than the sum of its proper divisors (1051185).

1351215 is a wasteful number, since it uses less digits than its factorization.

1351215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023 (or 10017 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 1351215 is about 1162.4177390250. The cubic root of 1351215 is about 110.5540913008.

Adding to 1351215 its reverse (5121531), we get a palindrome (6472746).

It can be divided in two parts, 135 and 1215, that multiplied together give a square (164025 = 405²).

The spelling of 1351215 in words is "one million, three hundred fifty-one thousand, two hundred fifteen".