1973115 has 24 divisors (see below), whose sum is σ = 3453840. Its totient is φ = 1041984.

The previous prime is 1973113. The next prime is 1973129. The reversal of 1973115 is 5113791.

It is a happy number.

It is not a de Polignac number, because 1973115 - 2¹ = 1973113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1973113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7201 + ... + 7469.

It is an arithmetic number, because the mean of its divisors is an integer number (143910).

2^1973115 is an apocalyptic number.

1973115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1973115 is a deficient number, since it is larger than the sum of its proper divisors (1480725).

1973115 is a wasteful number, since it uses less digits than its factorization.

1973115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 440 counting only the distinct ones).

The product of its digits is 945, while the sum is 27.

The square root of 1973115 is about 1404.6761192531. The cubic root of 1973115 is about 125.4250066504.

The spelling of 1973115 in words is "one million, nine hundred seventy-three thousand, one hundred fifteen".