1252000266 has 16 divisors (see below), whose sum is σ = 2731637088. Its totient is φ = 379394000.

The previous prime is 1252000261. The next prime is 1252000271. The reversal of 1252000266 is 6620002521.

It is an interprime number because it is at equal distance from previous prime (1252000261) and next prime (1252000271).

It is not an unprimeable number, because it can be changed into a prime (1252000261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9484785 + ... + 9484916.

It is an arithmetic number, because the mean of its divisors is an integer number (170727318).

Almost surely, 2^1252000266 is an apocalyptic number.

1252000266 is an abundant number, since it is smaller than the sum of its proper divisors (1479636822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252000266 is a wasteful number, since it uses less digits than its factorization.

1252000266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18969717.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1252000266 is about 35383.6157847103. The cubic root of 1252000266 is about 1077.7916311261.

Adding to 1252000266 its reverse (6620002521), we get a palindrome (7872002787).

The spelling of 1252000266 in words is "one billion, two hundred fifty-two million, two hundred sixty-six", and thus it is an aban number.