1254152988 has 216 divisors, whose sum is σ = 3781080576. Its totient is φ = 347198400.

The previous prime is 1254152941. The next prime is 1254152989. The reversal of 1254152988 is 8892514521.

1254152988 is a `hidden beast` number, since 1 + 2 + 5 + 41 + 529 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254152989) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4431495 + ... + 4431777.

Almost surely, 2^1254152988 is an apocalyptic number.

1254152988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1254152988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1890540288).

1254152988 is an abundant number, since it is smaller than the sum of its proper divisors (2526927588).

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

1254152988 is a wasteful number, since it uses less digits than its factorization.

1254152988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 349 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 1254152988 is about 35414.0224769794. The cubic root of 1254152988 is about 1078.4090051239.

The spelling of 1254152988 in words is "one billion, two hundred fifty-four million, one hundred fifty-two thousand, nine hundred eighty-eight".