1023742 has 8 divisors (see below), whose sum is σ = 1541736. Its totient is φ = 509832.

The previous prime is 1023733. The next prime is 1023751. The reversal of 1023742 is 2473201.

It is an interprime number because it is at equal distance from previous prime (1023733) and next prime (1023751).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288 + ... + 1459.

It is an arithmetic number, because the mean of its divisors is an integer number (192717).

2^1023742 is an apocalyptic number.

1023742 is a deficient number, since it is larger than the sum of its proper divisors (517994).

1023742 is a wasteful number, since it uses less digits than its factorization.

1023742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1023742 is about 1011.8013639050. The cubic root of 1023742 is about 100.7852181860.

Adding to 1023742 its reverse (2473201), we get a palindrome (3496943).

It can be divided in two parts, 102 and 3742, that added together give a square (3844 = 62²).

The spelling of 1023742 in words is "one million, twenty-three thousand, seven hundred forty-two".