120406161525 has 48 divisors (see below), whose sum is σ = 214494813120. Its totient is φ = 59246438400.

The previous prime is 120406161517. The next prime is 120406161559. The reversal of 120406161525 is 525161604021.

It is not a de Polignac number, because 120406161525 - 2³ = 120406161517 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1930021 + ... + 1991429.

It is an arithmetic number, because the mean of its divisors is an integer number (4468641940).

Almost surely, 2^120406161525 is an apocalyptic number.

120406161525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120406161525 is a deficient number, since it is larger than the sum of its proper divisors (94088651595).

120406161525 is a wasteful number, since it uses less digits than its factorization.

120406161525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63446 (or 63441 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 120406161525 its reverse (525161604021), we get a palindrome (645567765546).

The spelling of 120406161525 in words is "one hundred twenty billion, four hundred six million, one hundred sixty-one thousand, five hundred twenty-five".