1242995 has 12 divisors (see below), whose sum is σ = 1616256. Its totient is φ = 917280.

The previous prime is 1242991. The next prime is 1243003. The reversal of 1242995 is 5992421.

It is not a de Polignac number, because 1242995 - 2² = 1242991 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110 + ... + 1580.

It is an arithmetic number, because the mean of its divisors is an integer number (134688).

2^1242995 is an apocalyptic number.

1242995 is a deficient number, since it is larger than the sum of its proper divisors (373261).

1242995 is a wasteful number, since it uses less digits than its factorization.

1242995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1489 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 1242995 is about 1114.8968562159. The cubic root of 1242995 is about 107.5201332401.

The spelling of 1242995 in words is "one million, two hundred forty-two thousand, nine hundred ninety-five".