1901230 has 16 divisors (see below), whose sum is σ = 3533184. Its totient is φ = 735840.

The previous prime is 1901219. The next prime is 1901231. The reversal of 1901230 is 321091.

It is a super-2 number, since 2×1901230² = 7229351025800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2757 + ... + 3376.

It is an arithmetic number, because the mean of its divisors is an integer number (220824).

2^1901230 is an apocalyptic number.

1901230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1901230 is a deficient number, since it is larger than the sum of its proper divisors (1631954).

1901230 is a wasteful number, since it uses less digits than its factorization.

1901230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1901230 is about 1378.8509709175. The cubic root of 1901230 is about 123.8829540690.

The spelling of 1901230 in words is "one million, nine hundred one thousand, two hundred thirty".