1242675 has 48 divisors (see below), whose sum is σ = 2618880. Its totient is φ = 565920.

The previous prime is 1242643. The next prime is 1242739. The reversal of 1242675 is 5762421.

It is not a de Polignac number, because 1242675 - 2⁵ = 1242643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4594 + ... + 4856.

It is an arithmetic number, because the mean of its divisors is an integer number (54560).

2^1242675 is an apocalyptic number.

1242675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1242675 is an abundant number, since it is smaller than the sum of its proper divisors (1376205).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242675 is a wasteful number, since it uses less digits than its factorization.

1242675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 278 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 1242675 is about 1114.7533359448. The cubic root of 1242675 is about 107.5109056901.

The spelling of 1242675 in words is "one million, two hundred forty-two thousand, six hundred seventy-five".