1401049259 has 2 divisors, whose sum is σ = 1401049260. Its totient is φ = 1401049258.

The previous prime is 1401049211. The next prime is 1401049277. The reversal of 1401049259 is 9529401041.

It is a strong prime.

It is an emirp because it is prime and its reverse (9529401041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1401049259 - 2²⁰ = 1400000683 is a prime.

It is a super-2 number, since 2×1401049259² = 3925878052288898162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1401949259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700524629 + 700524630.

It is an arithmetic number, because the mean of its divisors is an integer number (700524630).

Almost surely, 2^1401049259 is an apocalyptic number.

1401049259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401049259 is an equidigital number, since it uses as much as digits as its factorization.

1401049259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1401049259 is about 37430.5925547539. The cubic root of 1401049259 is about 1118.9683471579.

The spelling of 1401049259 in words is "one billion, four hundred one million, forty-nine thousand, two hundred fifty-nine".