126989150 has 24 divisors (see below), whose sum is σ = 250095600. Its totient is φ = 47807360.

The previous prime is 126989147. The next prime is 126989153. The reversal of 126989150 is 51989621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126989147) and next prime (126989153).

It is a super-2 number, since 2×126989150² = 32252488435445000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126989098 and 126989107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126989153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73850 + ... + 75549.

It is an arithmetic number, because the mean of its divisors is an integer number (10420650).

Almost surely, 2^126989150 is an apocalyptic number.

126989150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126989150 is a deficient number, since it is larger than the sum of its proper divisors (123106450).

126989150 is a wasteful number, since it uses less digits than its factorization.

126989150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149428 (or 149423 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 126989150 is about 11268.9462683962. The cubic root of 126989150 is about 502.6382547395.

The spelling of 126989150 in words is "one hundred twenty-six million, nine hundred eighty-nine thousand, one hundred fifty".