1061401369 has 4 divisors (see below), whose sum is σ = 1213030144. Its totient is φ = 909772596.

The previous prime is 1061401339. The next prime is 1061401387. The reversal of 1061401369 is 9631041601.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9631041601 = 79 ⋅121911919.

It is a cyclic number.

It is not a de Polignac number, because 1061401369 - 2¹⁵ = 1061368601 is a prime.

It is a super-2 number, since 2×1061401369² = 2253145732230148322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1061401369.

It is not an unprimeable number, because it can be changed into a prime (1061401339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75814377 + ... + 75814390.

It is an arithmetic number, because the mean of its divisors is an integer number (303257536).

Almost surely, 2^1061401369 is an apocalyptic number.

It is an amenable number.

1061401369 is a deficient number, since it is larger than the sum of its proper divisors (151628775).

1061401369 is an equidigital number, since it uses as much as digits as its factorization.

1061401369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151628774.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1061401369 is about 32579.1554371810. The cubic root of 1061401369 is about 1020.0619496528.

The spelling of 1061401369 in words is "one billion, sixty-one million, four hundred one thousand, three hundred sixty-nine".