126132646 has 8 divisors (see below), whose sum is σ = 193813704. Its totient is φ = 61528080.

The previous prime is 126132607. The next prime is 126132647. The reversal of 126132646 is 646231621.

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

It is a super-2 number, since 2×126132646² = 31818888773922632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126132647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769020 + ... + 769183.

It is an arithmetic number, because the mean of its divisors is an integer number (24226713).

Almost surely, 2^126132646 is an apocalyptic number.

126132646 is a deficient number, since it is larger than the sum of its proper divisors (67681058).

126132646 is a wasteful number, since it uses less digits than its factorization.

126132646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538246.

The product of its digits is 10368, while the sum is 31.

The square root of 126132646 is about 11230.8791285455. The cubic root of 126132646 is about 501.5056561149.

The spelling of 126132646 in words is "one hundred twenty-six million, one hundred thirty-two thousand, six hundred forty-six".