628126 has 4 divisors (see below), whose sum is σ = 942192. Its totient is φ = 314062.

The previous prime is 628097. The next prime is 628127. The reversal of 628126 is 621826.

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

It is a self number, because there is not a number n which added to its sum of digits gives 628126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157030 + ... + 157033.

It is an arithmetic number, because the mean of its divisors is an integer number (235548).

2⁶²⁸¹²⁶ is an apocalyptic number.

628126 is a deficient number, since it is larger than the sum of its proper divisors (314066).

628126 is a wasteful number, since it uses less digits than its factorization.

628126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314065.

The product of its digits is 1152, while the sum is 25.

The square root of 628126 is about 792.5440050874. The cubic root of 628126 is about 85.6411039382.

It can be divided in two parts, 6281 and 26, that multiplied together give a triangular number (163306 = T₅₇₁).

The spelling of 628126 in words is "six hundred twenty-eight thousand, one hundred twenty-six".