1262428411 has 4 divisors (see below), whose sum is σ = 1264736872. Its totient is φ = 1260119952.

The previous prime is 1262428397. The next prime is 1262428459. The reversal of 1262428411 is 1148242621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1148242621 = 137 ⋅8381333.

It is a cyclic number.

It is not a de Polignac number, because 1262428411 - 2⁵ = 1262428379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1262428471) 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, 1153410 + ... + 1154503.

It is an arithmetic number, because the mean of its divisors is an integer number (316184218).

Almost surely, 2^1262428411 is an apocalyptic number.

1262428411 is a deficient number, since it is larger than the sum of its proper divisors (2308461).

1262428411 is an equidigital number, since it uses as much as digits as its factorization.

1262428411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308460.

The product of its digits is 6144, while the sum is 31.

The square root of 1262428411 is about 35530.6685977058. The cubic root of 1262428411 is about 1080.7757375407.

The spelling of 1262428411 in words is "one billion, two hundred sixty-two million, four hundred twenty-eight thousand, four hundred eleven".