1400124017 has 2 divisors, whose sum is σ = 1400124018. Its totient is φ = 1400124016.

The previous prime is 1400123999. The next prime is 1400124023. The reversal of 1400124017 is 7104210041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1359470641 + 40653376 = 36871^2 + 6376^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400124017 - 2⁸ = 1400123761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400124017.

It is not a weakly prime, because it can be changed into another prime (1400124617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700062008 + 700062009.

It is an arithmetic number, because the mean of its divisors is an integer number (700062009).

Almost surely, 2^1400124017 is an apocalyptic number.

It is an amenable number.

1400124017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400124017 is an equidigital number, since it uses as much as digits as its factorization.

1400124017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1400124017 is about 37418.2310779117. The cubic root of 1400124017 is about 1118.7219735933.

Adding to 1400124017 its reverse (7104210041), we get a palindrome (8504334058).

The spelling of 1400124017 in words is "one billion, four hundred million, one hundred twenty-four thousand, seventeen".