1228130075 has 24 divisors (see below), whose sum is σ = 1606169520. Its totient is φ = 928972800.

The previous prime is 1228130063. The next prime is 1228130087. The reversal of 1228130075 is 5700318221.

It is an interprime number because it is at equal distance from previous prime (1228130063) and next prime (1228130087).

It is not a de Polignac number, because 1228130075 - 2¹⁸ = 1227867931 is a prime.

It is a super-2 number, since 2×1228130075² = 3016606962239011250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271835 + ... + 276315.

It is an arithmetic number, because the mean of its divisors is an integer number (66923730).

Almost surely, 2^1228130075 is an apocalyptic number.

1228130075 is a deficient number, since it is larger than the sum of its proper divisors (378039445).

1228130075 is a wasteful number, since it uses less digits than its factorization.

1228130075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087 (or 5082 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1228130075 is about 35044.6868298177. The cubic root of 1228130075 is about 1070.8980363669.

Adding to 1228130075 its reverse (5700318221), we get a palindrome (6928448296).

The spelling of 1228130075 in words is "one billion, two hundred twenty-eight million, one hundred thirty thousand, seventy-five".