1252400097 has 8 divisors (see below), whose sum is σ = 1798318144. Its totient is φ = 770707728.

The previous prime is 1252399999. The next prime is 1252400129. The reversal of 1252400097 is 7900042521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1252400097 - 2¹⁶ = 1252334561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252400797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16056373 + ... + 16056450.

It is an arithmetic number, because the mean of its divisors is an integer number (224789768).

Almost surely, 2^1252400097 is an apocalyptic number.

It is an amenable number.

1252400097 is a deficient number, since it is larger than the sum of its proper divisors (545918047).

1252400097 is a wasteful number, since it uses less digits than its factorization.

1252400097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32112839.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1252400097 is about 35389.2652791775. The cubic root of 1252400097 is about 1077.9063511870.

The spelling of 1252400097 in words is "one billion, two hundred fifty-two million, four hundred thousand, ninety-seven".