1424731 has 8 divisors (see below), whose sum is σ = 1776384. Its totient is φ = 1110120.

The previous prime is 1424723. The next prime is 1424737. The reversal of 1424731 is 1374241.

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

It is not a de Polignac number, because 1424731 - 2³ = 1424723 is a prime.

It is a super-2 number, since 2×1424731² = 4059716844722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424737) 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, 9175 + ... + 9328.

It is an arithmetic number, because the mean of its divisors is an integer number (222048).

2^1424731 is an apocalyptic number.

1424731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1424731 is a deficient number, since it is larger than the sum of its proper divisors (351653).

1424731 is a wasteful number, since it uses less digits than its factorization.

1424731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18521.

The product of its digits is 672, while the sum is 22.

The square root of 1424731 is about 1193.6209616122. The cubic root of 1424731 is about 112.5237743993.

Adding to 1424731 its reverse (1374241), we get a palindrome (2798972).

The spelling of 1424731 in words is "one million, four hundred twenty-four thousand, seven hundred thirty-one".