1401269 has 4 divisors (see below), whose sum is σ = 1475040. Its totient is φ = 1327500.

The previous prime is 1401263. The next prime is 1401287. The reversal of 1401269 is 9621041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401269 is a prime.

It is a super-2 number, since 2×1401269² = 3927109620722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36857 + ... + 36894.

It is an arithmetic number, because the mean of its divisors is an integer number (368760).

2^1401269 is an apocalyptic number.

1401269 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1401269 is a deficient number, since it is larger than the sum of its proper divisors (73771).

1401269 is an equidigital number, since it uses as much as digits as its factorization.

1401269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73770.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1401269 is about 1183.7520855314. The cubic root of 1401269 is about 111.9026843881.

The spelling of 1401269 in words is "one million, four hundred one thousand, two hundred sixty-nine".