1269642 has 16 divisors (see below), whose sum is σ = 2770272. Its totient is φ = 384720.

The previous prime is 1269641. The next prime is 1269643. The reversal of 1269642 is 2469621.

It is an interprime number because it is at equal distance from previous prime (1269641) and next prime (1269643).

It is a super-2 number, since 2×1269642² = 3223981616328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1269641) 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, 9553 + ... + 9684.

It is an arithmetic number, because the mean of its divisors is an integer number (173142).

2^1269642 is an apocalyptic number.

1269642 is an abundant number, since it is smaller than the sum of its proper divisors (1500630).

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

1269642 is a wasteful number, since it uses less digits than its factorization.

1269642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19253.

The product of its digits is 5184, while the sum is 30.

The square root of 1269642 is about 1126.7839189481. The cubic root of 1269642 is about 108.2830367441.

The spelling of 1269642 in words is "one million, two hundred sixty-nine thousand, six hundred forty-two".