125134033433 has 4 divisors (see below), whose sum is σ = 125138565840. Its totient is φ = 125129501028.

The previous prime is 125134033429. The next prime is 125134033457. The reversal of 125134033433 is 334330431521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 334330431521 = 175601 ⋅1903921.

It is a cyclic number.

It is not a de Polignac number, because 125134033433 - 2² = 125134033429 is a prime.

It is a super-2 number, since 2×125134033433² (a number of 23 digits) contains 22 as substring.

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 125134033433.

It is not an unprimeable number, because it can be changed into a prime (125134033463) 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, 2224535 + ... + 2280092.

It is an arithmetic number, because the mean of its divisors is an integer number (31284641460).

Almost surely, 2^125134033433 is an apocalyptic number.

It is an amenable number.

125134033433 is a deficient number, since it is larger than the sum of its proper divisors (4532407).

125134033433 is an equidigital number, since it uses as much as digits as its factorization.

125134033433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532406.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 125134033433 its reverse (334330431521), we get a palindrome (459464464954).

The spelling of 125134033433 in words is "one hundred twenty-five billion, one hundred thirty-four million, thirty-three thousand, four hundred thirty-three".