1975123 has 2 divisors, whose sum is σ = 1975124. Its totient is φ = 1975122.

The previous prime is 1975121. The next prime is 1975133. The reversal of 1975123 is 3215791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1975123 - 2¹ = 1975121 is a prime.

It is a super-2 number, since 2×1975123² = 7802221730258, which contains 22 as substring.

Together with 1975121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1975091 and 1975100.

It is not a weakly prime, because it can be changed into another prime (1975121) 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 as a sum of consecutive naturals, namely, 987561 + 987562.

It is an arithmetic number, because the mean of its divisors is an integer number (987562).

2^1975123 is an apocalyptic number.

1975123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1975123 is an equidigital number, since it uses as much as digits as its factorization.

1975123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 28.

The square root of 1975123 is about 1405.3906930103. The cubic root of 1975123 is about 125.4675397391.

The spelling of 1975123 in words is "one million, nine hundred seventy-five thousand, one hundred twenty-three".