1207406121 has 8 divisors (see below), whose sum is σ = 1611516480. Its totient is φ = 804116592.

The previous prime is 1207406111. The next prime is 1207406141. The reversal of 1207406121 is 1216047021.

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

It is not a de Polignac number, because 1207406121 - 2⁷ = 1207405993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1207406091 and 1207406100.

It is not an unprimeable number, because it can be changed into a prime (1207406111) 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, 201766 + ... + 207663.

It is an arithmetic number, because the mean of its divisors is an integer number (201439560).

Almost surely, 2^1207406121 is an apocalyptic number.

It is an amenable number.

1207406121 is a deficient number, since it is larger than the sum of its proper divisors (404110359).

1207406121 is an equidigital number, since it uses as much as digits as its factorization.

1207406121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410415.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1207406121 is about 34747.7498695959. The cubic root of 1207406121 is about 1064.8402475890.

The spelling of 1207406121 in words is "one billion, two hundred seven million, four hundred six thousand, one hundred twenty-one".