126464890 has 32 divisors (see below), whose sum is σ = 238237200. Its totient is φ = 48282624.

The previous prime is 126464873. The next prime is 126464909. The reversal of 126464890 is 98464621.

It can be written as a sum of positive squares in 8 ways, for example, as 121022001 + 5442889 = 11001^2 + 2333^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16386 + ... + 22834.

Almost surely, 2^126464890 is an apocalyptic number.

126464890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126464890 is a deficient number, since it is larger than the sum of its proper divisors (111772310).

126464890 is a wasteful number, since it uses less digits than its factorization.

126464890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6546.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 126464890 is about 11245.6609410030. The cubic root of 126464890 is about 501.9456060808.

The spelling of 126464890 in words is "one hundred twenty-six million, four hundred sixty-four thousand, eight hundred ninety".