1425742 has 8 divisors (see below), whose sum is σ = 2153232. Its totient is φ = 708000.

The previous prime is 1425733. The next prime is 1425757. The reversal of 1425742 is 2475241.

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, 2059 + ... + 2662.

It is an arithmetic number, because the mean of its divisors is an integer number (269154).

2^1425742 is an apocalyptic number.

1425742 is a deficient number, since it is larger than the sum of its proper divisors (727490).

1425742 is a wasteful number, since it uses less digits than its factorization.

1425742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874.

The product of its digits is 2240, while the sum is 25.

The square root of 1425742 is about 1194.0443877846. The cubic root of 1425742 is about 112.5503840161.

The spelling of 1425742 in words is "one million, four hundred twenty-five thousand, seven hundred forty-two".