1401040237 has 2 divisors, whose sum is σ = 1401040238. Its totient is φ = 1401040236.

The previous prime is 1401040229. The next prime is 1401040241. The reversal of 1401040237 is 7320401041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1234397956 + 166642281 = 35134^2 + 12909^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401040237 - 2³ = 1401040229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401040247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700520118 + 700520119.

It is an arithmetic number, because the mean of its divisors is an integer number (700520119).

Almost surely, 2^1401040237 is an apocalyptic number.

It is an amenable number.

1401040237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401040237 is an equidigital number, since it uses as much as digits as its factorization.

1401040237 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1401040237 is about 37430.4720381670. The cubic root of 1401040237 is about 1118.9659453023.

Adding to 1401040237 its reverse (7320401041), we get a palindrome (8721441278).

The spelling of 1401040237 in words is "one billion, four hundred one million, forty thousand, two hundred thirty-seven".