125303051402 has 4 divisors (see below), whose sum is σ = 187954577106. Its totient is φ = 62651525700.

The previous prime is 125303051387. The next prime is 125303051407. The reversal of 125303051402 is 204150303521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204150303521 = 2441 ⋅83633881.

It can be written as a sum of positive squares in only one way, i.e., 78014634721 + 47288416681 = 279311^2 + 217459^2 .

It is not an unprimeable number, because it can be changed into a prime (125303051407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31325762849 + ... + 31325762852.

Almost surely, 2^125303051402 is an apocalyptic number.

125303051402 is a deficient number, since it is larger than the sum of its proper divisors (62651525704).

125303051402 is an equidigital number, since it uses as much as digits as its factorization.

125303051402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62651525703.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 125303051402 its reverse (204150303521), we get a palindrome (329453354923).

The spelling of 125303051402 in words is "one hundred twenty-five billion, three hundred three million, fifty-one thousand, four hundred two".