1229472101 has 8 divisors (see below), whose sum is σ = 1444414944. Its totient is φ = 1031724720.

The previous prime is 1229472089. The next prime is 1229472109. The reversal of 1229472101 is 1012749221.

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

It is not a de Polignac number, because 1229472101 - 2¹⁸ = 1229209957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229472109) 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 in 7 ways as a sum of consecutive naturals, for example, 4298711 + ... + 4298996.

It is an arithmetic number, because the mean of its divisors is an integer number (180551868).

Almost surely, 2^1229472101 is an apocalyptic number.

1229472101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1229472101 is a deficient number, since it is larger than the sum of its proper divisors (214942843).

1229472101 is a wasteful number, since it uses less digits than its factorization.

1229472101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8597731.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1229472101 is about 35063.8289552068. The cubic root of 1229472101 is about 1071.2879651618.

The spelling of 1229472101 in words is "one billion, two hundred twenty-nine million, four hundred seventy-two thousand, one hundred one".