120269456789 has 2 divisors, whose sum is σ = 120269456790. Its totient is φ = 120269456788.

The previous prime is 120269456719. The next prime is 120269456851. The reversal of 120269456789 is 987654962021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102795260689 + 17474196100 = 320617^2 + 132190^2 .

It is a cyclic number.

It is not a de Polignac number, because 120269456789 - 2⁸ = 120269456533 is a prime.

It is a super-2 number, since 2×120269456789² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120269456719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60134728394 + 60134728395.

It is an arithmetic number, because the mean of its divisors is an integer number (60134728395).

Almost surely, 2^120269456789 is an apocalyptic number.

It is an amenable number.

120269456789 is a deficient number, since it is larger than the sum of its proper divisors (1).

120269456789 is an equidigital number, since it uses as much as digits as its factorization.

120269456789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 120269456789 in words is "one hundred twenty billion, two hundred sixty-nine million, four hundred fifty-six thousand, seven hundred eighty-nine".