1240473 has 16 divisors (see below), whose sum is σ = 1886976. Its totient is φ = 718080.

The previous prime is 1240423. The next prime is 1240483. The reversal of 1240473 is 3740421.

It is not a de Polignac number, because 1240473 - 2⁹ = 1239961 is a prime.

It is a super-3 number, since 3×1240473³ = 5726420060333111451, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1240423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273 + ... + 1598.

It is an arithmetic number, because the mean of its divisors is an integer number (117936).

2^1240473 is an apocalyptic number.

1240473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1240473 is a deficient number, since it is larger than the sum of its proper divisors (646503).

1240473 is a wasteful number, since it uses less digits than its factorization.

1240473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1240473 is about 1113.7652355860. The cubic root of 1240473 is about 107.4473656160.

Adding to 1240473 its reverse (3740421), we get a palindrome (4980894).

The spelling of 1240473 in words is "one million, two hundred forty thousand, four hundred seventy-three".