1520077069 has 12 divisors (see below), whose sum is σ = 1768915200. Its totient is φ = 1302435288.

The previous prime is 1520077063. The next prime is 1520077081. The reversal of 1520077069 is 9607700251.

It is not a de Polignac number, because 1520077069 - 2¹¹ = 1520075021 is a prime.

It is a super-2 number, since 2×1520077069² = 4621268591399261522, 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 (1520077063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200062 + ... + 207520.

It is an arithmetic number, because the mean of its divisors is an integer number (147409600).

Almost surely, 2^1520077069 is an apocalyptic number.

It is an amenable number.

1520077069 is a deficient number, since it is larger than the sum of its proper divisors (248838131).

1520077069 is an equidigital number, since it uses as much as digits as its factorization.

1520077069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11632 (or 11625 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 1520077069 is about 38988.1657557777. The cubic root of 1520077069 is about 1149.7988479934.

The spelling of 1520077069 in words is "one billion, five hundred twenty million, seventy-seven thousand, sixty-nine".