1355742 has 24 divisors (see below), whose sum is σ = 2968680. Its totient is φ = 447120.

The previous prime is 1355741. The next prime is 1355743. The reversal of 1355742 is 2475531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1355741) and next prime (1355743).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355741) 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, 1617 + ... + 2307.

It is an arithmetic number, because the mean of its divisors is an integer number (123695).

2^1355742 is an apocalyptic number.

1355742 is an abundant number, since it is smaller than the sum of its proper divisors (1612938).

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

1355742 is a wasteful number, since it uses less digits than its factorization.

1355742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 805 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 1355742 is about 1164.3633453523. The cubic root of 1355742 is about 110.6774174650.

It can be divided in two parts, 13 and 55742, that added together give a palindrome (55755).

The spelling of 1355742 in words is "one million, three hundred fifty-five thousand, seven hundred forty-two".