1335221125 has 16 divisors (see below), whose sum is σ = 1904408064. Its totient is φ = 915579600.

The previous prime is 1335221087. The next prime is 1335221137. The reversal of 1335221125 is 5211225331.

It is not a de Polignac number, because 1335221125 - 2¹³ = 1335212933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1335221125.

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, 762109 + ... + 763858.

It is an arithmetic number, because the mean of its divisors is an integer number (119025504).

Almost surely, 2^1335221125 is an apocalyptic number.

It is an amenable number.

1335221125 is a deficient number, since it is larger than the sum of its proper divisors (569186939).

1335221125 is an equidigital number, since it uses as much as digits as its factorization.

1335221125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525989 (or 1525979 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 1335221125 is about 36540.6776757082. The cubic root of 1335221125 is about 1101.1616172348.

Adding to 1335221125 its reverse (5211225331), we get a palindrome (6546446456).

The spelling of 1335221125 in words is "one billion, three hundred thirty-five million, two hundred twenty-one thousand, one hundred twenty-five".