1950129 has 8 divisors (see below), whose sum is σ = 2889120. Its totient is φ = 1300068.

The previous prime is 1950107. The next prime is 1950133. The reversal of 1950129 is 9210591.

It is a happy number.

It is not a de Polignac number, because 1950129 - 2¹² = 1946033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 72227 = 1950129 / (1 + 9 + 5 + 0 + 1 + 2 + 9).

It is not an unprimeable number, because it can be changed into a prime (1950139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36087 + ... + 36140.

It is an arithmetic number, because the mean of its divisors is an integer number (361140).

2^1950129 is an apocalyptic number.

It is an amenable number.

1950129 is a deficient number, since it is larger than the sum of its proper divisors (938991).

1950129 is an equidigital number, since it uses as much as digits as its factorization.

1950129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72236 (or 72230 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 1950129 is about 1396.4701930224. The cubic root of 1950129 is about 124.9360526248.

1950129 divided by its sum of digits (27) gives a palindrome (72227).

The spelling of 1950129 in words is "one million, nine hundred fifty thousand, one hundred twenty-nine".