124994067025 has 9 divisors (see below), whose sum is σ = 154994835121. Its totient is φ = 99993839440.

The previous prime is 124994066969. The next prime is 124994067041. The reversal of 124994067025 is 520760499421.

It is a happy number.

The square root of 124994067025 is 353545.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 26433231889 + 98560835136 = 162583^2 + 313944^2 .

It is not a de Polignac number, because 124994067025 - 2¹⁷ = 124993935953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124994067025.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 1732371 + ... + 1803079.

Almost surely, 2^124994067025 is an apocalyptic number.

124994067025 is the 353545-th square number.

124994067025 is the 176773-rd centered octagonal number.

It is an amenable number.

124994067025 is a deficient number, since it is larger than the sum of its proper divisors (30000768096).

124994067025 is an frugal number, since it uses more digits than its factorization.

124994067025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141428 (or 70714 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

Multiplying 124994067025 by its sum of digits (49), we get a square (6124709284225 = 2474815²).

The spelling of 124994067025 in words is "one hundred twenty-four billion, nine hundred ninety-four million, sixty-seven thousand, twenty-five".