1240030 has 16 divisors (see below), whose sum is σ = 2435184. Its totient is φ = 450880.

The previous prime is 1240027. The next prime is 1240039. The reversal of 1240030 is 300421.

1240030 = 496² + 497² + ... + 500².

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a plaindrome in base 13.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1239989 and 1240016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240039) 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, 5527 + ... + 5746.

It is an arithmetic number, because the mean of its divisors is an integer number (152199).

2^1240030 is an apocalyptic number.

1240030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240030 is a deficient number, since it is larger than the sum of its proper divisors (1195154).

1240030 is a wasteful number, since it uses less digits than its factorization.

1240030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11291.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1240030 is about 1113.5663428822. The cubic root of 1240030 is about 107.4345734928.

Adding to 1240030 its reverse (300421), we get a palindrome (1540451).

The spelling of 1240030 in words is "one million, two hundred forty thousand, thirty".