157202126 has 4 divisors (see below), whose sum is σ = 235803192. Its totient is φ = 78601062.

The previous prime is 157202119. The next prime is 157202173. The reversal of 157202126 is 621202751.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 157202095 and 157202104.

It is a congruent number.

It is an unprimeable number.

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, 39300530 + ... + 39300533.

It is an arithmetic number, because the mean of its divisors is an integer number (58950798).

Almost surely, 2^157202126 is an apocalyptic number.

157202126 is a deficient number, since it is larger than the sum of its proper divisors (78601066).

157202126 is an equidigital number, since it uses as much as digits as its factorization.

157202126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78601065.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 157202126 is about 12538.0271972906. The cubic root of 157202126 is about 539.7004809030.

Adding to 157202126 its reverse (621202751), we get a palindrome (778404877).

The spelling of 157202126 in words is "one hundred fifty-seven million, two hundred two thousand, one hundred twenty-six".