190469121 has 16 divisors (see below), whose sum is σ = 259260480. Its totient is φ = 124338240.

The previous prime is 190469119. The next prime is 190469131. The reversal of 190469121 is 121964091.

It is not a de Polignac number, because 190469121 - 2¹ = 190469119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190469101) 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 15 ways as a sum of consecutive naturals, for example, 116691 + ... + 118311.

It is an arithmetic number, because the mean of its divisors is an integer number (16203780).

Almost surely, 2^190469121 is an apocalyptic number.

It is an amenable number.

190469121 is a deficient number, since it is larger than the sum of its proper divisors (68791359).

190469121 is a wasteful number, since it uses less digits than its factorization.

190469121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 190469121 is about 13801.0550683634. The cubic root of 190469121 is about 575.3624643440.

The spelling of 190469121 in words is "one hundred ninety million, four hundred sixty-nine thousand, one hundred twenty-one".