1260257162 has 8 divisors (see below), whose sum is σ = 1892966916. Its totient is φ = 629268192.

The previous prime is 1260257153. The next prime is 1260257179. The reversal of 1260257162 is 2617520621.

It can be written as a sum of positive squares in 2 ways, for example, as 1126877761 + 133379401 = 33569^2 + 11549^2 .

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

It is a super-2 number, since 2×1260257162² = 3176496228744588488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428363 + ... + 431294.

Almost surely, 2^1260257162 is an apocalyptic number.

1260257162 is a deficient number, since it is larger than the sum of its proper divisors (632709754).

1260257162 is an equidigital number, since it uses as much as digits as its factorization.

1260257162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860392.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1260257162 is about 35500.1008730961. The cubic root of 1260257162 is about 1080.1557737129.

Adding to 1260257162 its reverse (2617520621), we get a palindrome (3877777783).

The spelling of 1260257162 in words is "one billion, two hundred sixty million, two hundred fifty-seven thousand, one hundred sixty-two".