1225029 has 16 divisors (see below), whose sum is σ = 1782144. Its totient is φ = 744000.

The previous prime is 1225019. The next prime is 1225061. The reversal of 1225029 is 9205221.

It is not a de Polignac number, because 1225029 - 2¹⁷ = 1093957 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1224996 and 1225014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3784 + ... + 4094.

It is an arithmetic number, because the mean of its divisors is an integer number (111384).

2^1225029 is an apocalyptic number.

It is an amenable number.

1225029 is a deficient number, since it is larger than the sum of its proper divisors (557115).

1225029 is a wasteful number, since it uses less digits than its factorization.

1225029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1225029 is about 1106.8102818460. The cubic root of 1225029 is about 106.9995923937. Note that the first 3 decimals are identical.

It can be divided in two parts, 122 and 5029, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 1225029 in words is "one million, two hundred twenty-five thousand, twenty-nine".