125551335 has 128 divisors (see below), whose sum is σ = 268369920. Its totient is φ = 48646656.

The previous prime is 125551301. The next prime is 125551399. The reversal of 125551335 is 533155521.

125551335 = T₆₄ + T₆₅ + ... + T₉₀₉.

It is not a de Polignac number, because 125551335 - 2⁷ = 125551207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1218894 + ... + 1218996.

It is an arithmetic number, because the mean of its divisors is an integer number (2096640).

Almost surely, 2^125551335 is an apocalyptic number.

125551335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125551335 is an abundant number, since it is smaller than the sum of its proper divisors (142818585).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125551335 is a wasteful number, since it uses less digits than its factorization.

125551335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197.

The product of its digits is 11250, while the sum is 30.

The square root of 125551335 is about 11204.9692101317. The cubic root of 125551335 is about 500.7340351907.

The spelling of 125551335 in words is "one hundred twenty-five million, five hundred fifty-one thousand, three hundred thirty-five".