612101494 has 4 divisors (see below), whose sum is σ = 918152244. Its totient is φ = 306050746.

The previous prime is 612101491. The next prime is 612101527. The reversal of 612101494 is 494101216.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612101491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153025372 + ... + 153025375.

It is an arithmetic number, because the mean of its divisors is an integer number (229538061).

Almost surely, 2^612101494 is an apocalyptic number.

612101494 is a deficient number, since it is larger than the sum of its proper divisors (306050750).

612101494 is a wasteful number, since it uses less digits than its factorization.

612101494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306050749.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 612101494 is about 24740.6849945591. The cubic root of 612101494 is about 849.0654059876.

The spelling of 612101494 in words is "six hundred twelve million, one hundred one thousand, four hundred ninety-four".