747641121 has 8 divisors (see below), whose sum is σ = 997864704. Its totient is φ = 497922480.

The previous prime is 747641117. The next prime is 747641123. The reversal of 747641121 is 121146747.

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

It is not a de Polignac number, because 747641121 - 2² = 747641117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (747641123) 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, 122766 + ... + 128711.

It is an arithmetic number, because the mean of its divisors is an integer number (124733088).

Almost surely, 2^747641121 is an apocalyptic number.

It is an amenable number.

747641121 is a deficient number, since it is larger than the sum of its proper divisors (250223583).

747641121 is a wasteful number, since it uses less digits than its factorization.

747641121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252471.

The product of its digits is 9408, while the sum is 33.

The square root of 747641121 is about 27343.0269172965. The cubic root of 747641121 is about 907.6067699131.

Adding to 747641121 its reverse (121146747), we get a palindrome (868787868).

The spelling of 747641121 in words is "seven hundred forty-seven million, six hundred forty-one thousand, one hundred twenty-one".