1525130 has 32 divisors (see below), whose sum is σ = 3024000. Its totient is φ = 551232.

The previous prime is 1525123. The next prime is 1525133. The reversal of 1525130 is 315251.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1525099 and 1525108.

It is not an unprimeable number, because it can be changed into a prime (1525133) 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, 4196 + ... + 4544.

It is an arithmetic number, because the mean of its divisors is an integer number (94500).

2^1525130 is an apocalyptic number.

1525130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1525130 is a deficient number, since it is larger than the sum of its proper divisors (1498870).

1525130 is a wasteful number, since it uses less digits than its factorization.

1525130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1525130 is about 1234.9615378626. The cubic root of 1525130 is about 115.1071465165.

The spelling of 1525130 in words is "one million, five hundred twenty-five thousand, one hundred thirty".