125024400203 has 2 divisors, whose sum is σ = 125024400204. Its totient is φ = 125024400202.

The previous prime is 125024400199. The next prime is 125024400209. The reversal of 125024400203 is 302004420521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125024400203 - 2² = 125024400199 is a prime.

It is a super-2 number, since 2×125024400203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125024400209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62512200101 + 62512200102.

It is an arithmetic number, because the mean of its divisors is an integer number (62512200102).

Almost surely, 2^125024400203 is an apocalyptic number.

125024400203 is a deficient number, since it is larger than the sum of its proper divisors (1).

125024400203 is an equidigital number, since it uses as much as digits as its factorization.

125024400203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 125024400203 its reverse (302004420521), we get a palindrome (427028820724).

The spelling of 125024400203 in words is "one hundred twenty-five billion, twenty-four million, four hundred thousand, two hundred three".