1227252523 has 4 divisors (see below), whose sum is σ = 1402574320. Its totient is φ = 1051930728.

The previous prime is 1227252517. The next prime is 1227252529. The reversal of 1227252523 is 3252527221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1227252517) and next prime (1227252529).

It is a cyclic number.

It is not a de Polignac number, because 1227252523 - 2¹⁷ = 1227121451 is a prime.

It is a super-2 number, since 2×1227252523² = 3012297510419731058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1227252529) 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, 87660888 + ... + 87660901.

It is an arithmetic number, because the mean of its divisors is an integer number (350643580).

Almost surely, 2^1227252523 is an apocalyptic number.

1227252523 is a deficient number, since it is larger than the sum of its proper divisors (175321797).

1227252523 is an equidigital number, since it uses as much as digits as its factorization.

1227252523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175321796.

The product of its digits is 16800, while the sum is 31.

The square root of 1227252523 is about 35032.1641209903. The cubic root of 1227252523 is about 1070.6429079521.

Adding to 1227252523 its reverse (3252527221), we get a palindrome (4479779744).

The spelling of 1227252523 in words is "one billion, two hundred twenty-seven million, two hundred fifty-two thousand, five hundred twenty-three".