11403125 has 24 divisors (see below), whose sum is σ = 14764680. Its totient is φ = 8800000.

The previous prime is 11403113. The next prime is 11403131. The reversal of 11403125 is 52130411.

It can be written as a sum of positive squares in 12 ways, for example, as 9591409 + 1811716 = 3097^2 + 1346^2 .

It is not a de Polignac number, because 11403125 - 2¹² = 11399029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128081 + ... + 128169.

It is an arithmetic number, because the mean of its divisors is an integer number (615195).

Almost surely, 2^11403125 is an apocalyptic number.

It is an amenable number.

11403125 is a deficient number, since it is larger than the sum of its proper divisors (3361555).

11403125 is an frugal number, since it uses more digits than its factorization.

11403125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11403125 is about 3376.8513440778. The cubic root of 11403125 is about 225.0822744383.

Adding to 11403125 its reverse (52130411), we get a palindrome (63533536).

The spelling of 11403125 in words is "eleven million, four hundred three thousand, one hundred twenty-five".