1225669037 has 4 divisors (see below), whose sum is σ = 1237804476. Its totient is φ = 1213533600.

The previous prime is 1225669007. The next prime is 1225669063. The reversal of 1225669037 is 7309665221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7309665221 = 829 ⋅8817449.

It can be written as a sum of positive squares in 2 ways, for example, as 1170597796 + 55071241 = 34214^2 + 7421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225669037 - 2²⁴ = 1208891821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1225668985 and 1225669003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225669007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6067568 + ... + 6067769.

It is an arithmetic number, because the mean of its divisors is an integer number (309451119).

Almost surely, 2^1225669037 is an apocalyptic number.

It is an amenable number.

1225669037 is a deficient number, since it is larger than the sum of its proper divisors (12135439).

1225669037 is a wasteful number, since it uses less digits than its factorization.

1225669037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12135438.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1225669037 is about 35009.5563667979. The cubic root of 1225669037 is about 1070.1822372808.

The spelling of 1225669037 in words is "one billion, two hundred twenty-five million, six hundred sixty-nine thousand, thirty-seven".