126969154 has 32 divisors (see below), whose sum is σ = 217284480. Its totient is φ = 55199232.

The previous prime is 126969127. The next prime is 126969181. The reversal of 126969154 is 451969621.

It is an interprime number because it is at equal distance from previous prime (126969127) and next prime (126969181).

It is a super-2 number, since 2×126969154² = 32242332134951432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 126969154.

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, 38482 + ... + 41650.

It is an arithmetic number, because the mean of its divisors is an integer number (6790140).

Almost surely, 2^126969154 is an apocalyptic number.

126969154 is a deficient number, since it is larger than the sum of its proper divisors (90315326).

126969154 is a wasteful number, since it uses less digits than its factorization.

126969154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274.

The product of its digits is 116640, while the sum is 43.

The square root of 126969154 is about 11268.0590165299. The cubic root of 126969154 is about 502.6118711675.

The spelling of 126969154 in words is "one hundred twenty-six million, nine hundred sixty-nine thousand, one hundred fifty-four".