1242774 has 48 divisors (see below), whose sum is σ = 2987712. Its totient is φ = 370944.

The previous prime is 1242767. The next prime is 1242781. The reversal of 1242774 is 4772421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1242767) and next prime (1242781).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10942 + ... + 11054.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2^1242774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493856).

1242774 is an abundant number, since it is smaller than the sum of its proper divisors (1744938).

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

1242774 is a wasteful number, since it uses less digits than its factorization.

1242774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 178 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 1242774 is about 1114.7977395026. The cubic root of 1242774 is about 107.5137606326.

It can be divided in two parts, 1242 and 774, that added together give a triangular number (2016 = T₆₃).

The spelling of 1242774 in words is "one million, two hundred forty-two thousand, seven hundred seventy-four".