190957043 has 2 divisors, whose sum is σ = 190957044. Its totient is φ = 190957042.

The previous prime is 190957027. The next prime is 190957057. The reversal of 190957043 is 340759091.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190957043 - 2⁴ = 190957027 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 190956988 and 190957006.

It is not a weakly prime, because it can be changed into another prime (190957093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95478521 + 95478522.

It is an arithmetic number, because the mean of its divisors is an integer number (95478522).

Almost surely, 2^190957043 is an apocalyptic number.

190957043 is a deficient number, since it is larger than the sum of its proper divisors (1).

190957043 is an equidigital number, since it uses as much as digits as its factorization.

190957043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 190957043 is about 13818.7207439763. The cubic root of 190957043 is about 575.8533446640.

The spelling of 190957043 in words is "one hundred ninety million, nine hundred fifty-seven thousand, forty-three".