58121247 has 16 divisors (see below), whose sum is σ = 81931520. Its totient is φ = 36547200.

The previous prime is 58121237. The next prime is 58121257. The reversal of 58121247 is 74212185.

It is an interprime number because it is at equal distance from previous prime (58121237) and next prime (58121257).

It is not a de Polignac number, because 58121247 - 2¹⁸ = 57859103 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58121237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11622 + ... + 15852.

It is an arithmetic number, because the mean of its divisors is an integer number (5120720).

Almost surely, 2^58121247 is an apocalyptic number.

58121247 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

58121247 is a deficient number, since it is larger than the sum of its proper divisors (23810273).

58121247 is a wasteful number, since it uses less digits than its factorization.

58121247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494.

The product of its digits is 4480, while the sum is 30.

The square root of 58121247 is about 7623.7292055791. The cubic root of 58121247 is about 387.3572074642.

The spelling of 58121247 in words is "fifty-eight million, one hundred twenty-one thousand, two hundred forty-seven".