1000123532 has 12 divisors (see below), whose sum is σ = 1853170200. Its totient is φ = 470646336.

The previous prime is 1000123517. The next prime is 1000123567. The reversal of 1000123532 is 2353210001.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1000123532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7353782 + ... + 7353917.

It is an arithmetic number, because the mean of its divisors is an integer number (154430850).

Almost surely, 2^1000123532 is an apocalyptic number.

It is an amenable number.

1000123532 is a deficient number, since it is larger than the sum of its proper divisors (853046668).

1000123532 is a wasteful number, since it uses less digits than its factorization.

1000123532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14707720 (or 14707718 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1000123532 is about 31624.7297537860. The cubic root of 1000123532 is about 1000.0411756379.

Adding to 1000123532 its reverse (2353210001), we get a palindrome (3353333533).

It can be divided in two parts, 10001 and 23532, that multiplied together give a palindrome (235343532).

The spelling of 1000123532 in words is "one billion, one hundred twenty-three thousand, five hundred thirty-two".