1061400869 has 8 divisors (see below), whose sum is σ = 1074685248. Its totient is φ = 1048164480.

The previous prime is 1061400829. The next prime is 1061400871. The reversal of 1061400869 is 9680041601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061400869 is a prime.

It is a super-2 number, since 2×1061400869² = 2253143609427910322, 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 (1061400829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33584 + ... + 57014.

It is an arithmetic number, because the mean of its divisors is an integer number (134335656).

Almost surely, 2^1061400869 is an apocalyptic number.

It is an amenable number.

1061400869 is a deficient number, since it is larger than the sum of its proper divisors (13284379).

1061400869 is an equidigital number, since it uses as much as digits as its factorization.

1061400869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23995.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1061400869 is about 32579.1477635619. The cubic root of 1061400869 is about 1020.0617894774.

The spelling of 1061400869 in words is "one billion, sixty-one million, four hundred thousand, eight hundred sixty-nine".