1201226429 has 8 divisors (see below), whose sum is σ = 1338236760. Its totient is φ = 1070588736.

The previous prime is 1201226413. The next prime is 1201226441. The reversal of 1201226429 is 9246221021.

It can be written as a sum of positive squares in 4 ways, for example, as 76965529 + 1124260900 = 8773^2 + 33530^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201226429 - 2⁴ = 1201226413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201226449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1592762 + ... + 1593515.

It is an arithmetic number, because the mean of its divisors is an integer number (167279595).

Almost surely, 2^1201226429 is an apocalyptic number.

It is an amenable number.

1201226429 is a deficient number, since it is larger than the sum of its proper divisors (137010331).

1201226429 is a wasteful number, since it uses less digits than its factorization.

1201226429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186319.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1201226429 is about 34658.7136085574. The cubic root of 1201226429 is about 1063.0204668341.

The spelling of 1201226429 in words is "one billion, two hundred one million, two hundred twenty-six thousand, four hundred twenty-nine".