1125212510 has 32 divisors (see below), whose sum is σ = 2068297632. Its totient is φ = 440640000.

The previous prime is 1125212489. The next prime is 1125212521. The reversal of 1125212510 is 152125211.

It is a super-2 number, since 2×1125212510² = 2532206385321000200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94385 + ... + 105635.

It is an arithmetic number, because the mean of its divisors is an integer number (64634301).

Almost surely, 2^1125212510 is an apocalyptic number.

1125212510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125212510 is a deficient number, since it is larger than the sum of its proper divisors (943085122).

1125212510 is a wasteful number, since it uses less digits than its factorization.

1125212510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11468.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1125212510 is about 33544.1874249474. The cubic root of 1125212510 is about 1040.1073946049.

Adding to 1125212510 its reverse (152125211), we get a palindrome (1277337721).

The spelling of 1125212510 in words is "one billion, one hundred twenty-five million, two hundred twelve thousand, five hundred ten".