621124067 has 2 divisors, whose sum is σ = 621124068. Its totient is φ = 621124066.

The previous prime is 621124057. The next prime is 621124073. The reversal of 621124067 is 760421126.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 621124067 - 2¹⁶ = 621058531 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (621124027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310562033 + 310562034.

It is an arithmetic number, because the mean of its divisors is an integer number (310562034).

Almost surely, 2^621124067 is an apocalyptic number.

621124067 is a deficient number, since it is larger than the sum of its proper divisors (1).

621124067 is an equidigital number, since it uses as much as digits as its factorization.

621124067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 621124067 is about 24922.3607830398. The cubic root of 621124067 is about 853.2169066045.

The spelling of 621124067 in words is "six hundred twenty-one million, one hundred twenty-four thousand, sixty-seven".