1267542 has 16 divisors (see below), whose sum is σ = 2816880. Its totient is φ = 422496.

The previous prime is 1267531. The next prime is 1267549. The reversal of 1267542 is 2457621.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267549) 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, 11683 + ... + 11790.

It is an arithmetic number, because the mean of its divisors is an integer number (176055).

2^1267542 is an apocalyptic number.

1267542 is an abundant number, since it is smaller than the sum of its proper divisors (1549338).

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

1267542 is a wasteful number, since it uses less digits than its factorization.

1267542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23484 (or 23478 counting only the distinct ones).

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

The square root of 1267542 is about 1125.8516776201. The cubic root of 1267542 is about 108.2233034064.

It can be divided in two parts, 126754 and 2, that added together give a triangular number (126756 = T₅₀₃).

The spelling of 1267542 in words is "one million, two hundred sixty-seven thousand, five hundred forty-two".