1950123547 has 2 divisors, whose sum is σ = 1950123548. Its totient is φ = 1950123546.

The previous prime is 1950123529. The next prime is 1950123587. The reversal of 1950123547 is 7453210591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1950123547 - 2⁷ = 1950123419 is a prime.

It is a super-2 number, since 2×1950123547² = 7605963697127722418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1950123587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975061773 + 975061774.

It is an arithmetic number, because the mean of its divisors is an integer number (975061774).

Almost surely, 2^1950123547 is an apocalyptic number.

1950123547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1950123547 is an equidigital number, since it uses as much as digits as its factorization.

1950123547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 1950123547 is about 44160.2032037897. The cubic root of 1950123547 is about 1249.3593617489.

The spelling of 1950123547 in words is "one billion, nine hundred fifty million, one hundred twenty-three thousand, five hundred forty-seven".