1525050121 has 16 divisors (see below), whose sum is σ = 1821835008. Its totient is φ = 1248192000.

The previous prime is 1525050119. The next prime is 1525050133. The reversal of 1525050121 is 1210505251.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1525050121 - 2¹ = 1525050119 is a prime.

It is a super-3 number, since 3×1525050121³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1525050092 and 1525050101.

It is not an unprimeable number, because it can be changed into a prime (1525050151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88881 + ... + 104641.

It is an arithmetic number, because the mean of its divisors is an integer number (113864688).

Almost surely, 2^1525050121 is an apocalyptic number.

It is an amenable number.

1525050121 is a deficient number, since it is larger than the sum of its proper divisors (296784887).

1525050121 is a wasteful number, since it uses less digits than its factorization.

1525050121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16392.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1525050121 is about 39051.8901079064. The cubic root of 1525050121 is about 1151.0513689448.

Adding to 1525050121 its reverse (1210505251), we get a palindrome (2735555372).

The spelling of 1525050121 in words is "one billion, five hundred twenty-five million, fifty thousand, one hundred twenty-one".