120426569 has 4 divisors (see below), whose sum is σ = 120688260. Its totient is φ = 120164880.

The previous prime is 120426563. The next prime is 120426571. The reversal of 120426569 is 965624021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 965624021 = 17 ⋅56801413.

It can be written as a sum of positive squares in 2 ways, for example, as 69089344 + 51337225 = 8312^2 + 7165^2 .

It is a cyclic number.

It is not a de Polignac number, because 120426569 - 2¹² = 120422473 is a prime.

It is a super-2 number, since 2×120426569² = 29005117042223522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120426563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130154 + ... + 131075.

It is an arithmetic number, because the mean of its divisors is an integer number (30172065).

Almost surely, 2^120426569 is an apocalyptic number.

It is an amenable number.

120426569 is a deficient number, since it is larger than the sum of its proper divisors (261691).

120426569 is an equidigital number, since it uses as much as digits as its factorization.

120426569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261690.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 120426569 is about 10973.9039999446. The cubic root of 120426569 is about 493.8261734958.

The spelling of 120426569 in words is "one hundred twenty million, four hundred twenty-six thousand, five hundred sixty-nine".