1955125867 has 4 divisors (see below), whose sum is σ = 1967579056. Its totient is φ = 1942672680.

The previous prime is 1955125829. The next prime is 1955125873. The reversal of 1955125867 is 7685215591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7685215591 = 6547 ⋅1173853.

It is a cyclic number.

It is not a de Polignac number, because 1955125867 - 2¹⁵ = 1955093099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1955125867.

It is not an unprimeable number, because it can be changed into a prime (1955125807) 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, 6226359 + ... + 6226672.

It is an arithmetic number, because the mean of its divisors is an integer number (491894764).

Almost surely, 2^1955125867 is an apocalyptic number.

1955125867 is a deficient number, since it is larger than the sum of its proper divisors (12453189).

1955125867 is a wasteful number, since it uses less digits than its factorization.

1955125867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12453188.

The product of its digits is 756000, while the sum is 49.

The square root of 1955125867 is about 44216.8052554682. The cubic root of 1955125867 is about 1250.4267059477.

The spelling of 1955125867 in words is "one billion, nine hundred fifty-five million, one hundred twenty-five thousand, eight hundred sixty-seven".