1235130552 has 64 divisors (see below), whose sum is σ = 3442068000. Its totient is φ = 410372352.

The previous prime is 1235130541. The next prime is 1235130571. The reversal of 1235130552 is 2550315321.

It is a happy number.

1235130552 is a `hidden beast` number, since 1 + 2 + 351 + 305 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58474 + ... + 76742.

Almost surely, 2^1235130552 is an apocalyptic number.

1235130552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1235130552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1721034000).

1235130552 is an abundant number, since it is smaller than the sum of its proper divisors (2206937448).

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

1235130552 is a wasteful number, since it uses less digits than its factorization.

1235130552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18597 (or 18587 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1235130552 is about 35144.4241950270. The cubic root of 1235130552 is about 1072.9289281461.

Adding to 1235130552 its reverse (2550315321), we get a palindrome (3785445873).

The spelling of 1235130552 in words is "one billion, two hundred thirty-five million, one hundred thirty thousand, five hundred fifty-two".