1269160490 has 16 divisors (see below), whose sum is σ = 2460219048. Its totient is φ = 468613056.

The previous prime is 1269160463. The next prime is 1269160507. The reversal of 1269160490 is 940619621.

It can be written as a sum of positive squares in 4 ways, for example, as 788542561 + 480617929 = 28081^2 + 21923^2 .

It is a super-2 number, since 2×1269160490² = 3221536698754080200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4881257 + ... + 4881516.

Almost surely, 2^1269160490 is an apocalyptic number.

1269160490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1269160490 is a deficient number, since it is larger than the sum of its proper divisors (1191058558).

1269160490 is a wasteful number, since it uses less digits than its factorization.

1269160490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9762793.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1269160490 is about 35625.2788059266. The cubic root of 1269160490 is about 1082.6934628188.

The spelling of 1269160490 in words is "one billion, two hundred sixty-nine million, one hundred sixty thousand, four hundred ninety".