1235133102 has 48 divisors (see below), whose sum is σ = 2878250112. Its totient is φ = 352321200.

The previous prime is 1235133091. The next prime is 1235133103. The reversal of 1235133102 is 2013315321.

It is a super-2 number, since 2×1235133102² = 3051107559312284808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235133103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197727 + ... + 203877.

It is an arithmetic number, because the mean of its divisors is an integer number (59963544).

Almost surely, 2^1235133102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1235133102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439125056).

1235133102 is an abundant number, since it is smaller than the sum of its proper divisors (1643117010).

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

1235133102 is a wasteful number, since it uses less digits than its factorization.

1235133102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853 (or 6846 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1235133102 is about 35144.4604738784. The cubic root of 1235133102 is about 1072.9296665206.

Adding to 1235133102 its reverse (2013315321), we get a palindrome (3248448423).

The spelling of 1235133102 in words is "one billion, two hundred thirty-five million, one hundred thirty-three thousand, one hundred two".