1201252263 has 32 divisors (see below), whose sum is σ = 1681231872. Its totient is φ = 762048000.

The previous prime is 1201252253. The next prime is 1201252357. The reversal of 1201252263 is 3622521021.

It is not a de Polignac number, because 1201252263 - 2⁵ = 1201252231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201252253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1586481 + ... + 1587237.

It is an arithmetic number, because the mean of its divisors is an integer number (52538496).

Almost surely, 2^1201252263 is an apocalyptic number.

1201252263 is a deficient number, since it is larger than the sum of its proper divisors (479979609).

1201252263 is a wasteful number, since it uses less digits than its factorization.

1201252263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055.

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

The square root of 1201252263 is about 34659.0862978238. The cubic root of 1201252263 is about 1063.0280873440.

Adding to 1201252263 its reverse (3622521021), we get a palindrome (4823773284).

The spelling of 1201252263 in words is "one billion, two hundred one million, two hundred fifty-two thousand, two hundred sixty-three".