1245135 has 8 divisors (see below), whose sum is σ = 1992240. Its totient is φ = 664064.

The previous prime is 1245121. The next prime is 1245137. The reversal of 1245135 is 5315421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1245135 - 2⁵ = 1245103 is a prime.

It is a super-2 number, since 2×1245135² = 3100722336450, which contains 22 as substring.

1245135 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41490 + ... + 41519.

It is an arithmetic number, because the mean of its divisors is an integer number (249030).

2^1245135 is an apocalyptic number.

1245135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1245135 is a deficient number, since it is larger than the sum of its proper divisors (747105).

1245135 is an equidigital number, since it uses as much as digits as its factorization.

1245135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83017.

The product of its digits is 600, while the sum is 21.

The square root of 1245135 is about 1115.8561735278. The cubic root of 1245135 is about 107.5818018080.

The spelling of 1245135 in words is "one million, two hundred forty-five thousand, one hundred thirty-five".