1206429072 has 40 divisors (see below), whose sum is σ = 3299940576. Its totient is φ = 378487296.

The previous prime is 1206429071. The next prime is 1206429079. The reversal of 1206429072 is 2709246021.

It is a super-2 number, since 2×1206429072² = 2910942211533562368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1206429071) 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, 738418 + ... + 740049.

Almost surely, 2^1206429072 is an apocalyptic number.

1206429072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1206429072 is an abundant number, since it is smaller than the sum of its proper divisors (2093511504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1206429072 is a wasteful number, since it uses less digits than its factorization.

1206429072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478495 (or 1478489 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1206429072 is about 34733.6878548766. The cubic root of 1206429072 is about 1064.5529424748.

The spelling of 1206429072 in words is "one billion, two hundred six million, four hundred twenty-nine thousand, seventy-two".