1948151 has 4 divisors (see below), whose sum is σ = 1974912. Its totient is φ = 1921392.

The previous prime is 1948147. The next prime is 1948171. The reversal of 1948151 is 1518491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1948151 - 2² = 1948147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13271 + ... + 13416.

It is an arithmetic number, because the mean of its divisors is an integer number (493728).

2^1948151 is an apocalyptic number.

1948151 is a deficient number, since it is larger than the sum of its proper divisors (26761).

1948151 is an equidigital number, since it uses as much as digits as its factorization.

1948151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26760.

The product of its digits is 1440, while the sum is 29.

The square root of 1948151 is about 1395.7617991620. The cubic root of 1948151 is about 124.8937977943.

The spelling of 1948151 in words is "one million, nine hundred forty-eight thousand, one hundred fifty-one".